Don't allow non-system uids to use "android" as calling package.

Bug: 310632322
Test: atest ./BroadcastsSecurityTest/src/android/app/cts/broadcasts/BroadcastRegistrationTest.java
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:84e975cf12759d04863e35abf51a94356c6b4c25)
Merged-In: I83537fde6cad2073e767d56c27cd25b82f29c235
Change-Id: I83537fde6cad2073e767d56c27cd25b82f29c235
1 file changed