Merge "TEST_MAPPING: only run CtsMediaDrmFrameworkTestCases on drm changes" am: 027d3539a5 am: 94424d4cf7

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2479906

Change-Id: I85a94a0fd2338140e3c7714e4a7f7e86b170d788
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>