Merge "Fix unistd.exec_argv0_null for new kernels." into android12-tests-dev am: b4cee37d7d

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078360

Change-Id: Ia864567dea05116f0b92edd31f5645edbc82e483
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>