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Some CrOS platform will support BT wideband speech, and CRAS will
change to report type BLUETOOTH_NB_MIC for the legacy narrow band
input, while output and wideband speech input stay in type BLUETOOTH.

In commit 087ec22e we lowered the priority of BT input because
using HFP means BT output falls to lower quality. Users don't like
it and don't understand the technical detail behind that.
With the support of wideband speech, we think the audio quality
is acceptable and deserves equal node priority as BT output.

Bug: 1000576
Change-Id: I3c027afe349c6b9c3d55cf0e3a0472e28863cedb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1828765
Commit-Queue: Hsinyu Chao <hychao@chromium.org>
Auto-Submit: Hsinyu Chao <hychao@chromium.org>
Reviewed-by: Tetsui Ohkubo <tetsui@chromium.org>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704089}