Merge "Merge "Offload initial headless app query to handler thread." into...

Merge "Merge "Offload initial headless app query to handler thread." into rvc-dev am: bcdd5c53 am: fcf71753 am: a5a8be55" into rvc-qpr-dev-plus-aosp am: 155dde60

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11708142

Change-Id: I6cc2a6f608c42d4c6b6c71e88ce3711027c02fd3