[automerger skipped] Extend bionic-unit-tests timeout. am: 7a8366fede -s ours

am skip reason: Merged-In Ibd983da1c8fd06cffed756cf3b24523f4671d49e with SHA-1 1f3c8d688c is already in history

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2417212

Change-Id: I053bc61afe5a19604d7d436892f351c94c2b89ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>