am 2c79a62c: am 9115f38b: am ec5ad29a: am d25cd26f: Merge "Try decaying user history at hourly intervals."

* commit '2c79a62cf57d03a4384c5aea145609ff599f2622':
main
Keisuke Kuroyanagi 2013-10-09 22:42:11 -07:00 committed by Android Git Automerger
commit 20a8c2eed0

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