Merge "Log the errno if calling fork() fails" am: d84afeb6 am: 9bd0d906 am: 974e62c8

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2165856



Change-Id: I02304f9e2a3a64446b9f3d6510c2c19b2930f175
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>