Merge "Move pullers to binder thread" into rvc-dev am: 9b75996d am: aff142a7 am: c6b1305f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11720299

Change-Id: I29bff34184e6b852fe27921a93d0a318bd747456