Merge "fix package visibility for installed accessibility services" into sc-dev am: d616f1ed am: 5f48285b am: 365bec13

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14972858

Change-Id: I4d28ffc23c3cdf9b3310c0e40686500499972ae8