Merge "Merge "Add parameter for sideloaded caption formats" into rvc-dev am:...

Merge "Merge "Add parameter for sideloaded caption formats" into rvc-dev am: a99dba8b am: 4570870c am: a2eab0ab" into rvc-qpr-dev-plus-aosp am: 2283af62

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11971039

Change-Id: I210849ca8e82316fc47556016502955e8415e58f