Set apex_available property am: daaa32d0a3 am: 469a144f91 am: 8022494fa0 am: 46202a0a2c am: e78c42194f

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/1432872

Change-Id: Iccd79e486ce02c8cf884c55696204f95766ad6f7