Merge "Merge "Decouple FUSE mount from main thread for demo user" into rvc-dev am: 931d7d2703 am: 4e14ca12d6 am: bdfa5265dc" into rvc-qpr-dev-plus-aosp am: 32cbeeaf96

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12261202

Change-Id: Ia4eacbdbc4ded820a3cced678fe581478368cc84