Merge "Add subsample offset to the exposed MediaFormat" into rvc-dev am: ce0cc669 am: 99b0245a am: e258787c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11986786

Change-Id: I2f1365dda33199668b4bef3635d515415b22b44a