Merge "Clear caller identity before calling...

Merge "Clear caller identity before calling dpm#getAccountTypesWithManagementDisabled" into udc-dev am: bf90f82c am: c9cb59f9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22647688



Change-Id: Ie64ffdfac0e38ae6fb80e75127ad248907c2b4f5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>