test_platform: fix the type of parent build id for TestCaseResult

As we use test runner's build ID to identify a test run, all fields
representing it should be build ID type(int64).


Change-Id: I5efcfec94aa15b2c855f62932ee8b7b339f67f54
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2281286
Reviewed-by: Alex Zamorzaev <zamorzaev@chromium.org>
Commit-Queue: Xinan Lin <linxinan@chromium.org>
Tested-by: Xinan Lin <linxinan@chromium.org>
diff --git a/go/test_platform/analytics/result.pb.go b/go/test_platform/analytics/result.pb.go
index 24b25da..bc44734 100644
--- a/go/test_platform/analytics/result.pb.go
+++ b/go/test_platform/analytics/result.pb.go
@@ -321,7 +321,7 @@
 	// e.g. "provision_AutoUpdate.double".
 	DisplayName string `protobuf:"bytes,2,opt,name=display_name,json=displayName,proto3" json:"display_name,omitempty"`
 	// The TestRun.build_id of the parent test run.
-	ParentBuildId string   `protobuf:"bytes,3,opt,name=parent_build_id,json=parentBuildId,proto3" json:"parent_build_id,omitempty"`
+	ParentBuildId int64    `protobuf:"varint,3,opt,name=parent_build_id,json=parentBuildId,proto3" json:"parent_build_id,omitempty"`
 	Verdict       *Verdict `protobuf:"bytes,4,opt,name=verdict,proto3" json:"verdict,omitempty"`
 	// A one line human readable description of what happened during test
 	// case execution (e.g. error/warning message). Not intended to be machine
@@ -372,11 +372,11 @@
 	return ""
-func (m *TestCaseResult) GetParentBuildId() string {
+func (m *TestCaseResult) GetParentBuildId() int64 {
 	if m != nil {
 		return m.ParentBuildId
-	return ""
+	return 0
 func (m *TestCaseResult) GetVerdict() *Verdict {
@@ -591,7 +591,7 @@
 var fileDescriptor_ea3c1349f87b947c = []byte{
-	// 651 bytes of a gzipped FileDescriptorProto
+	// 652 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x54, 0x4d, 0x6f, 0xd3, 0x40,
 	0x10, 0x95, 0x9b, 0xd6, 0x4e, 0x26, 0x69, 0x41, 0x56, 0x05, 0xa6, 0x12, 0x34, 0x0d, 0x5f, 0x3d,
 	0xd9, 0x12, 0x1f, 0x42, 0x80, 0x2a, 0x44, 0xcb, 0x05, 0x09, 0xa1, 0xca, 0x6d, 0x39, 0x70, 0xb1,
@@ -621,16 +621,16 @@
 	0x00, 0x7f, 0xfe, 0x7c, 0x75, 0x4d, 0xae, 0x3f, 0xe9, 0x29, 0xd2, 0x73, 0x2f, 0xdb, 0xfb, 0x04,
 	0xa1, 0x43, 0x16, 0x2f, 0x1a, 0xac, 0x79, 0xd1, 0xd1, 0xef, 0x00, 0x76, 0xec, 0x01, 0x27, 0x44,
 	0xd1, 0x1c, 0x1f, 0xea, 0x92, 0x87, 0xf5, 0x1f, 0xed, 0x7f, 0x06, 0x77, 0x7c, 0x67, 0xe7, 0x33,
-	0xe4, 0x06, 0x60, 0xdb, 0xc1, 0xc7, 0x7e, 0x92, 0x16, 0xee, 0xba, 0xb9, 0xae, 0xa9, 0xaf, 0xe0,
-	0xde, 0xa5, 0x69, 0x08, 0x2f, 0x24, 0x25, 0x25, 0x19, 0x33, 0x5a, 0x28, 0xd3, 0x34, 0x44, 0x5e,
-	0xfb, 0x79, 0xd9, 0xc5, 0x6c, 0xee, 0x93, 0x67, 0x2e, 0x37, 0xfa, 0x13, 0x40, 0x77, 0x36, 0x16,
-	0xf1, 0x7b, 0xe8, 0x4f, 0x24, 0x25, 0x9a, 0x16, 0x76, 0x3e, 0xbc, 0x5d, 0x7b, 0xa9, 0xdb, 0x3d,
-	0xe9, 0x6c, 0xf7, 0xe0, 0x18, 0xe1, 0xee, 0xc9, 0xc1, 0xd1, 0x2d, 0x10, 0xbf, 0x05, 0x50, 0x9a,
-	0x48, 0xed, 0xb4, 0x1b, 0xb7, 0x6a, 0x7b, 0xc8, 0x46, 0xe9, 0x6b, 0xe8, 0x52, 0x5e, 0x3a, 0x61,
-	0xe7, 0x56, 0x61, 0x44, 0x79, 0x89, 0xb2, 0x23, 0x18, 0x90, 0x31, 0xe1, 0xa5, 0xe0, 0x4e, 0xba,
-	0x79, 0xab, 0xb4, 0xef, 0xf9, 0x16, 0x19, 0x3d, 0x82, 0xd0, 0xcd, 0xb4, 0x7d, 0x59, 0x57, 0x84,
-	0x19, 0xea, 0xbb, 0xea, 0x82, 0xd1, 0x3e, 0x44, 0xde, 0xe4, 0xe5, 0x84, 0xe3, 0x93, 0xef, 0x1f,
-	0x2b, 0x91, 0xe2, 0xaa, 0xaa, 0x4d, 0x93, 0x0a, 0x59, 0x65, 0xb3, 0x40, 0xa8, 0xac, 0xe6, 0x53,
-	0x49, 0xdc, 0xc2, 0xce, 0x2a, 0x91, 0xad, 0xd8, 0xff, 0xe3, 0x10, 0x19, 0x2f, 0xff, 0x05, 0x00,
-	0x00, 0xff, 0xff, 0x37, 0x4f, 0xfd, 0xdc, 0x21, 0x06, 0x00, 0x00,
+	0xd4, 0xc1, 0x19, 0xda, 0x76, 0xf0, 0xb1, 0x9f, 0xa4, 0x85, 0xbb, 0x6e, 0xae, 0x6b, 0xea, 0x2b,
+	0xb8, 0x77, 0x69, 0x1a, 0xc2, 0x0b, 0x49, 0x49, 0x49, 0xc6, 0x8c, 0x16, 0xca, 0x34, 0x0d, 0x91,
+	0xd7, 0x7e, 0x5e, 0x76, 0x31, 0x9b, 0xfb, 0xe4, 0x99, 0xcb, 0x8d, 0xfe, 0x04, 0xd0, 0x9d, 0x8d,
+	0x45, 0xfc, 0x1e, 0xfa, 0x13, 0x49, 0x89, 0xa6, 0x85, 0x9d, 0x0f, 0x6f, 0xd7, 0x5e, 0xea, 0x76,
+	0x4f, 0x3a, 0xdb, 0x3d, 0x38, 0x46, 0xb8, 0x7b, 0x72, 0x70, 0x74, 0x0b, 0xc4, 0x6f, 0x01, 0x94,
+	0x26, 0x52, 0x3b, 0xed, 0xc6, 0xad, 0xda, 0x1e, 0xb2, 0x51, 0xfa, 0x1a, 0xba, 0x94, 0x97, 0x4e,
+	0xd8, 0xb9, 0x55, 0x18, 0x51, 0x5e, 0xa2, 0xec, 0x08, 0x06, 0x64, 0x4c, 0x78, 0x29, 0xb8, 0x93,
+	0x6e, 0xde, 0x2a, 0xed, 0x7b, 0xbe, 0x45, 0x46, 0x8f, 0x20, 0x74, 0x33, 0x6d, 0x5f, 0xd6, 0x15,
+	0x61, 0x86, 0xfa, 0xae, 0xba, 0x60, 0xb4, 0x0f, 0x91, 0x37, 0x79, 0x39, 0xe1, 0xf8, 0xe4, 0xfb,
+	0xc7, 0x4a, 0xa4, 0xb8, 0xaa, 0x6a, 0xd3, 0xa4, 0x42, 0x56, 0xd9, 0x2c, 0x10, 0x2a, 0xab, 0xf9,
+	0x54, 0x12, 0xb7, 0xb0, 0xb3, 0x4a, 0x64, 0x2b, 0xf6, 0xff, 0x38, 0x44, 0xc6, 0xcb, 0x7f, 0x01,
+	0x00, 0x00, 0xff, 0xff, 0x7e, 0xcb, 0x0b, 0xbf, 0x21, 0x06, 0x00, 0x00,
diff --git a/src/test_platform/analytics/result.proto b/src/test_platform/analytics/result.proto
index 712ca01..b90586f 100644
--- a/src/test_platform/analytics/result.proto
+++ b/src/test_platform/analytics/result.proto
@@ -104,7 +104,7 @@
   string display_name = 2;
   // The TestRun.build_id of the parent test run.
-  string parent_build_id = 3;
+  int64 parent_build_id = 3;
   Verdict verdict = 4;