Merge "Add system_ext_userdebug_plat_sepolicy.cil for GSI" am: 55ff75d379 am: 0cf2f3312e am: 5786560e80 am: 9b850b026c am: a91018a7eb

Original change: https://android-review.googlesource.com/c/platform/system/sepolicy/+/1824717

Change-Id: If8af2296a89a54cb55d3b124428e309779b9f165