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

Merge "Merge "Use a single thread executor for calculateHasIncompatibleAccounts" into udc-dev am: 25f954ed am: de3d796e am: 12d8d948" into udc-qpr-dev-plus-aosp am: bd876c47

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



Change-Id: I4df9f9aee822486ee57115713dcaa98ec36f8cbb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>