Merge "Add wrappers around IO functions to check the return values" into tm-dev am: bce1d372

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18283701



Change-Id: I2c5955763a2f6844cbb5d964288a2c4b1e6298af
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>