Revert "Revert "Set apex_available property""

This reverts commit 2649e7059893e00ab78988e74463f55ea8419a46.

Reason for revert: forward fix is at aosp/1265379

Exempt-From-Owner-Approval: relanding of an already approved CL

Change-Id: I0d93417939d570ce21f105ee4b3bae6414194dbe
2 files changed