Merge "Use PLOG() for failed system calls, so we see errno." into main am:...

Merge "Use PLOG() for failed system calls, so we see errno." into main am: 1a75b0fd am: 9f3fa0cc

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3133773



Change-Id: If39314dc1211d8f5bd32bbc054a90695d61d8ece
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>