Merge "[Settings] Support re-init DataUsageSummaryPreferenceController" into rvc-dev am: 1b5f347893
am: 8e09bdaa6b
am: b72c15c7e8
am: 5d17a5fa5a
Change-Id: Ie0f13e7d02d0cf829e6cc5080a9d8dadec981690
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