Merge "Add attributes initializer helper based on flags" am: 7a096391cb am: 60e065adb8

Original change: https://android-review.googlesource.com/c/platform/system/media/+/1399199

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ieab2a449314f74e4e0c9b7b69293fc90b90d59d1