Limit priority values used with receiver registrations.

The priority values are limited to within the range
(SYSTEM_HIGH_PRIORITY, SYSTEM_LOW_PRIORITY).

Bug: 371309185
Test: atest services/tests/mockingservicestests/src/com/android/server/am/BroadcastFilterTest.java
Flag: com.android.server.am.restrict_priority_values
Change-Id: I5e98d3f5e592be08ac2076d7860e2d171cf04a92
5 files changed