Externs for Maps API v3.19.0. + Externs version rollover
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=80447478
Check inheritance inside prototype object literals

Fixes #707
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=80456958
Always stop the tracer, to avoid growing ThreadTrace#events (memory leak).
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=80480538