[RESTRICT AUTOMERGE] AccessibilityManagerService: remove uninstalled services...

[RESTRICT AUTOMERGE] AccessibilityManagerService: remove uninstalled services from enabled list after service update. am: f6192d3a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/26703706



Change-Id: I8aed2be9e03f2acd84cecbb9fb9144488d2c6dad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>