Use GPS HAL source from jf-common

 * Didn't work last time I tried, but works fine now.

Change-Id: I127552d2cabefcbebe6b411714d837097b3f0c93
Signed-off-by: Willi Ye <williye97@gmail.com>

Conflicts:
	BoardConfigCommon.mk
serrano: Cleanup proprietary file list

Change-Id: I487a45fa17aec4c1cee76fe65796108caf68c974
Signed-off-by: Willi Ye <williye97@gmail.com>

Conflicts:
	common-proprietary-files.txt