Merge "libhidl_test: fatal -> error warning" am: a89f743b5a am: 4042b96f62 am: bf8445ce7a

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/1558666

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic1009d0607e34c016e5ae7d256e20f3cd298b783