[automerger skipped] DO NOT MERGE: Bump CTS and CTS_Instant version to 9.0_r15 am: efa6aa1eb8 -s ours

am skip reason: subject contains skip directive

Original change: https://android-review.googlesource.com/c/platform/test/suite_harness/+/1457502

Change-Id: I081689057a4ddfdb26629c03e09e800d790b74ac
tree: 643a16678e17a745ee4fcd7c76a18d4cc8e175e6
  1. common/
  2. tools/
  3. Android.mk
  4. test_defs.sh