[automerger skipped] Add wrappers around IO functions to check the return...

[automerger skipped] Add wrappers around IO functions to check the return values am: 6edf5732 -s ours am: 7317743b -s ours am: 0ed077e0 -s ours

am skip reason: Merged-In If98fb3adf58f2e4e13d483b78ea05ea9d8d61b58 with SHA-1 63b43302 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18367300



Change-Id: I8aa83d4542ea446a66931975d627ab3620a8dc97
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>