afdo_metadata: Publish new profiles for kernel 3.18.

Update chromeos-kernel-3_18 from R83-12974.2-1584956046 to R83-12997.0-1585561233

Change-Id: I55b7da1d1828134b365a83082ef11f72678c381d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2134554
diff --git a/afdo_metadata/kernel_afdo.json b/afdo_metadata/kernel_afdo.json
index 56689b0..0974930 100644
--- a/afdo_metadata/kernel_afdo.json
+++ b/afdo_metadata/kernel_afdo.json
@@ -6,7 +6,7 @@
         "name": "R83-12998.0-1585561042"
     },
     "chromeos-kernel-3_18": {
-        "name": "R83-12974.2-1584956046"
+        "name": "R83-12997.0-1585561233"
     },
     "chromeos-kernel-4_14": {
         "name": "R83-12997.0-1585560976"