Merge "Check account type returned by AbstractAccountAuthenticator." into sc-dev am: c77de1f0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/31106430



Change-Id: Iab415aedbf8dbe25a185fca0e2865d2c61b53d32
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>