audio: Fix remote submix behavior with multiple inputs
Align the behavior of the new implementation with the legacy
implementation in the case when the client opens multiple
input streams on the same remote submix device.
Reduce the HAL buffer size to match legacy behavior.
Bug: 264712385
Test: atest CtsVirtualDevicesTestCases --test-filter=".*VirtualAudioTest.*"
(cherry picked from commit a83c8a5518234d0744f7453222db3cf2d8b876c2)
Change-Id: I6f5e6a2c133059c66269b1bdd8a30392db282c4d
diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index d63e353..2a8e58f 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -321,9 +321,9 @@
//
// Mix ports:
// * "r_submix output", maximum 10 opened streams, maximum 10 active streams
-// - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
+// - profile PCM 16-bit; STEREO; 8000, 11025, 16000, 32000, 44100, 48000
// * "r_submix input", maximum 10 opened streams, maximum 10 active streams
-// - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
+// - profile PCM 16-bit; STEREO; 8000, 11025, 16000, 32000, 44100, 48000
//
// Routes:
// "r_submix output" -> "Remote Submix Out"