Merge "CtsMediaMiscTestCases: Remove unused files from res/raw" am: e0373d7c94 am: e8bc0d70c3 am: 1f9d74ff3c

Original change: https://android-review.googlesource.com/c/platform/cts/+/2019177

Change-Id: Ib9a488905dd2fc5d1a3b29769050d8be20c846b6