Redact location info from PhysicalChannelConfig

If the registrant process is neither phone nor system,
the location info (e.g. physical cell id) will be redacted
before sending the PhysicalChannelConfig change to registrant.

Bug: 182605476
Test: atest com.android.internal.telephony.TelephonyRegistryTest
Change-Id: I05015d06f3f7301bdebfc22d1a9b32fd8bbbfe69