Merge "apex_sepolicy_tests only if default payload type is ext4" into main am:...

Merge "apex_sepolicy_tests only if default payload type is ext4" into main am: fceb0a33 am: d99c855d

Original change: https://android-review.googlesource.com/c/platform/build/+/3389359



Change-Id: I3c13c1e68d241e20ef8efcb40bc924db6fd2b0db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>