Merge "Revert^2 "trancoding: lazy-start transcoding service"" into sc-dev am: 3f24b510 am: 009ffd63 am: 714061ea

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15164824

Change-Id: I0b4ea57c53202bc144d018de0ea2a594cf8b71cc