[automerger skipped] Merge "DO NOT MERGE Apply upstream changes of TestUnicodeExtension. [T CTS]" into android13-tests-dev am: 4755f17000 am: 5982ef9bf3 am: dd272181ad am: ba430d1c8f -s ours

am skip reason: contains skip directive

Original change: https://android-review.googlesource.com/c/platform/libcore/+/2961062

Change-Id: I438823e8ad74e87bf84a6f4ba010b147b38362bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>