bullhead/apns: Update USC apn

The bearer_bitmask did not work properly due to duplicate usccinternet apn

Bug:63785255
Change-Id: Ic9f371c1abae73f1b97ac710dc3178a464c5a30d
(cherry picked from commit 2335cc6598b96fc386eac432ac77674baaf70549)
1 file changed