Add pre-deactivate command to remove GRR client container from production client MPM.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=77175450
Small improvements to the prod client.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=77178274