Grant client app visibility with UID from activity record

this also fixes an NPE b/234828308

Bug: 226167520
Test: atest android.voiceinteraction.cts
Change-Id: Ibe20fb4da91fa80f8539bb19c90515167bf6e85b
Merged-In: Ibe20fb4da91fa80f8539bb19c90515167bf6e85b
4 files changed