Merge "Exclude flaky tests from CtsGraphicsTestCases" am: 64c920c24d am: 5d145dbcc0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2068130

Change-Id: Ief68c23cfa99bb4bf05083f1ca4804a4ba9ebf70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>