This change moves all gxp sepolicies to common. This eliminates the
need for having these policies in sepolicy folder of all P22+ devices.
Tested:
Created private builds and found no selinux violations for P22 & P23 devices.
Bug: 288368306
Change-Id: Iec5dfe01dd9088a117f549cc999b9ee2aa2c4484
Signed-off-by: Dinesh Yadav <dkyadav@google.com>