Log keystore2 crash events.

Ignore-AOSP-First: Merge conflict resolution of a CL in the topic.
Bug: 188590587
Test: statsd TestDrive script.
Merged-In: I0ad7c94187060dca28469ba262e1e4d93fe3df83

Change-Id: I0ad7c94187060dca28469ba262e1e4d93fe3df83
7 files changed