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Grant permissions in the PHONE and LOCATION buckets to default carrier
apps as defined by the telephony stack. Provide a system API to grant
default permissions for carrier apps, as the set of apps may change
when a new SIM is inserted.

Since the phone process is separate from the system process, we need
to allow for binder calls to these APIs.

Also fix a log tag that is too long (android.util.Log drops messages
silently if the tag is > 23 characters).

Bug: 21696731
Change-Id: I98ca0c49c69f621f835ba57c1fd0505f2cec0d0d