Merge "StatsManager throws exceptions" into pi-dev

api/system-current.txt

cmds/statsd/src/StatsService.cpp

cmds/statsd/src/StatsService.h

cmds/statsd/src/main.cpp

cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp

.../dogfood/src/com/android/statsd/dogfood/MainActivity.java

...est/src/com/android/statsd/loadtest/LoadtestActivity.java

core/java/android/app/StatsManager.java

core/java/android/os/IStatsManager.aidl