[automerger] Check caller before accessing database am: 136dc9b3b6 am: d2f86ff19f am: ec648d09d6 am: 9d26fe82fe am: 12c6104a1e am: cad6843da3

Change-Id: I8d61e24c5853da84fe6f8cd6a7f6f10c4c12e372