Merge "EffectPreprocessingTest: Initial version" am: 08d9d325f3 am: 6eccd01a2a am: b35428ea50

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1625966

Change-Id: Ie7a0b88d9324c959682d748b8eb7c3c9e742d812