Merge "Fix unknown sources app install confirmation" into main am: 0f8f3c77

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2975131



Change-Id: I5af01eaf2fe1ea2c0c4409e358c813723cd4014c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>