crash_dump: don't notify ActivityManager if it crashed.

Bug: http://b/38427757
Test: killall -ABRT system_server, plus added logging
Merged-In: Ic15e0b0870b1ec08a2f165ad0e5356afed02eece
Change-Id: Ic15e0b0870b1ec08a2f165ad0e5356afed02eece
(cherry picked from commit b0e51e388b8c952e28280f0e7035dc18fb9aa4e5)
1 file changed