Jason Chiu 3c3f362125 Improve BT slice card loading performance
The bottleneck is getting LocalBluetoothManager the first time.
1. Initialize LocalBluetoothManager earlier and asynchronously.
2. Don't block in slice's constructor and getSlice().
  - Initialize the bt updaters until the manager is ready.
  - Just show a header if the manager is not ready yet.

Fixes: 157702021
Test: robotest
Change-Id: I427df55f259b45ba4c37557b22e09dcc24079e93
2020-06-11 18:39:29 +08:00
2019-04-04 12:49:15 -07:00
2019-11-25 20:28:35 +09:00
2020-03-11 16:45:14 +08:00
2019-02-06 15:44:40 +00:00
2020-02-03 01:03:46 +00:00
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3.1 GiB
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Java 89.8%
Kotlin 10.2%