Merge "Merge "Use a single thread executor for...

Merge "Merge "Use a single thread executor for calculateHasIncompatibleAccounts" into udc-dev am: 25f954ed am: cb3098ff am: 6366a8dc" into udc-qpr-dev-plus-aosp am: a03d50bd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24150783



Change-Id: Id404ec363581a1fd5394b0e94d150a2a120f869c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>