Merge "preprocessing: Format the code using clang-format" am: f430cf4395 am: 4e781c9b2c am: 8445eaab85

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1513430

Change-Id: I68dcee2f4b439462995a6c52c7c2a27ca5ac8b37