Add support for multiple LOCAL_COMPATIBILITY_SUITES & undefined testcase directories. am: 0dd1fb9112 am: a749d6bdb5 am: 5a8f82d4a1 am: 7b26faa5ea am: acaa4cc623  -s ours am: 203a1f407b  -s ours am: f1be8db559  -s ours am: fd5769448d  -s ours
am: 15949b76ab  -s ours

Change-Id: If79b90b216e5697ed70a0db8ccd879c5c5884021