CARRIER_CONFIG_CHANGED broadcast to ALL users.

This fixes an unintentional behavior change in commit
5ca2476926c58a2b0d5db66bdb917f91ea768df7

Bug: 147243107
Test: manual - verify CARRIER_CONFIG_CHANGED received by secondary user
Change-Id: I33454919e77bac5f384c5efda147538389247964
1 file changed