Fix hidden API usage in PackageChangeReceiver

Use Context#createContextForUser instead of calling
Context#registerReceiverForUser.

Test: atest FrameworksTelephonyTests
Bug: 146834818
Change-Id: Ia239499219218d30d1556007ac4561a5ec44b72f
Merged-In: Ia239499219218d30d1556007ac4561a5ec44b72f
1 file changed