Fan Zhang 4cb2727989 Tie ContextualWifiSlice to UI instead of garbage collector
- Introduce a static long in SliceFeatureProvider that updates once
  every "session". A session is when user is in an UI (screen rotation,
  going to subpage, etc does not break the continuation of session).

- Use session token in ContextualWifiSlice to determine when to refresh,
  instead of relying on WeakHashMap from CustomSliceManager.
  WeakHashMap can be cleaned up at any time by gc so it doesn't match
  what we want on the UI.

- Also as a side fix, merged CustomSliceManager into
  SliceFeatureProvider.

Fixes: 123937830
Test: robo
Change-Id: I199bceceb208b99a32f3f08e624787b5a03e73a9
2019-03-14 14:45:59 -07:00
2019-01-11 16:41:54 +00:00
2018-12-19 20:24:23 -08:00
2019-02-06 15:44:40 +00:00
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3.1 GiB
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Kotlin 10.2%