[automerger skipped] Merge "DO NOT MERGE Use explicitly opened file with O_WRONLY in test_sendfile_errno" into pie-cts-dev am: 9db3eee3c9 -s ours

am skip reason: subject contains skip directive

Original change: https://android-review.googlesource.com/c/platform/libcore/+/2241795

Change-Id: I7ea6f0df10e5ddb645264d8c9f92af411def4170
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>