[roll] Roll fuchsia [audio][test] WatchDelayInfo on second RingBuffer

Cases GetDelayInfoAfterDroppingFirstRingBuffer and
SetActiveChannelsAfterDroppingFirstRingBuffer
validate those methods, after a RingBuffer has been
created, fully exercised, dropped, then recreated.

The CL also contains the related fix for Bluetooth
library fuchsia-audio-device-output.

Multiply: audio_driver_tests: 10

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/792138
Original-Revision: 3368198afeb442c714c6f04d837ef41e56ed78d0
GitOrigin-RevId: d47dd561dcd9bb7b7a8646fa0087339fa658df3e
Change-Id: I8843a7e7ea3cb52fc23e759a91548f9e4cac82eb
diff --git a/stem b/stem
index 5c78423..7c521d9 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
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-             revision="d0866cee0aa9e79a1f4e462a6d00e817efcf445d"/>
+             revision="3368198afeb442c714c6f04d837ef41e56ed78d0"/>
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