Fix ActivityStartInterceptor tests

This adds the SET_HARMFUL_APPS_WARNINGS permission required by
interceptHarmfulAppIfNeeded, and mocks out the new PackageManager calls
used by it
Test: atest ActivityStartInterceptorTest

Bug: 77607079
Change-Id: Iea9c183078261b03be984ba4e0fad271f1548945
Merged-In: Iea9c183078261b03be984ba4e0fad271f1548945
(cherry picked from commit eb8fd1c68220bf771167051108a4f89a0eccec40)
2 files changed