cheets_CTS: Enabled default apps for single-case runners.

Some tests fail without the option, and theoretically,
other tests aren't affected by it.

BUG=b:186520292
TEST=test_that --args="module=CtsAppSecurityHostTestCases" cheets_CTS_R.tradefed-run-test

Change-Id: I5019cd150520a839b5ab7c73effd5313c73f3ff9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2853790
Tested-by: Kazuhiro Inaba <kinaba@chromium.org>
Auto-Submit: Kazuhiro Inaba <kinaba@chromium.org>
Reviewed-by: Kuang-che Wu <kcwu@chromium.org>
Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
diff --git a/server/site_tests/cheets_CTS_P/control.tradefed-run-test b/server/site_tests/cheets_CTS_P/control.tradefed-run-test
index bcc1ad0..ba5d5a0 100644
--- a/server/site_tests/cheets_CTS_P/control.tradefed-run-test
+++ b/server/site_tests/cheets_CTS_P/control.tradefed-run-test
@@ -97,6 +97,7 @@
         'cheets_CTS_P',
         hosts=host_list,
         iterations=1,
+        enable_default_apps=True,
         max_retry=cts_retry,
         needs_push_media=True,
         tag=tag,
diff --git a/server/site_tests/cheets_CTS_R/control.tradefed-run-test b/server/site_tests/cheets_CTS_R/control.tradefed-run-test
index f1a26fa..b79c452 100644
--- a/server/site_tests/cheets_CTS_R/control.tradefed-run-test
+++ b/server/site_tests/cheets_CTS_R/control.tradefed-run-test
@@ -96,6 +96,7 @@
         'cheets_CTS_R',
         hosts=host_list,
         iterations=1,
+        enable_default_apps=True,
         max_retry=cts_retry,
         needs_push_media=True,
         tag=tag,