Revert "DO NOT MERGE: Fork GNSS implementation"

Revert submission 2149712

Reason for revert: Breaks build http://b/219590763
Reverted Changes:
I757a10985:DO NOT MERGE: Switch to Trout's GNSS HAL
I1b44c5b23:DO NOT MERGE: Update SeLinux Policy for Trout GNSS...
Iefc7c6eaa:DO NOT MERGE: Fork GNSS implementation

Change-Id: Id49654b05173e72c6b5d1db308726c52724d1851
36 files changed