Siavash Sameni 5dfb5b3581 fix(bluetooth): use Shared mode for Oboe + delay restart for BT route ...

Two fixes for BT audio silence:

1. Switch Oboe streams from Exclusive to Shared sharing mode. Exclusive
   mode bypasses Oboe's internal resampler, so opening a 48kHz stream
   against a BT SCO device (8/16kHz only) fails at the AudioPolicy
   level. Shared mode lets Oboe's resampler bridge the gap.

2. Add 500ms post-SCO delay before Oboe restart. The audio policy needs
   time to apply the bt-sco route after setCommunicationDevice returns.
   Without the delay, Oboe opens against the old device (handset).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-12 17:14:06 +04:00

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