Promote CtsOsTestCases to presubmits am: b56bbc58a1 am: 68b15fb45c

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/3042235

Change-Id: I3f933866079b3dfdb7831c9c74bf9928ab534adb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>