pw_bluetooth: Add AVDTP_SUSPEND_CMD

Bug: 381291639
Change-Id: Ia500776601f4b4e597984d329c2e70bdba505cf4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/259452
Commit-Queue: Charlie Boutier <charliebout@google.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Docs-Not-Needed: Charlie Boutier <charliebout@google.com>
Reviewed-by: Ben Lawson <benlawson@google.com>

pw_bluetooth/public/pw_bluetooth/avdtp.emb

@@ -324,3 +324,31 @@ struct CloseReject:
   [requires: signaling_header.message_type == MessageType.RESPONSE_REJECT && signaling_header.signal_identifier == SignalIdentifierCode.AVDTP_CLOSE]
   0     [+2]  SignalingHeader  signaling_header
   $next [+1]  ErrorCode        error_code
+
+# Cf 8.15 Stream suspend
+
+
+struct StreamSuspendCommand:
+  -- Cf 8.15.1 AVDTP_SUSPEND_CMD
+  [requires: signaling_header.message_type == MessageType.COMMAND && signaling_header.signal_identifier == SignalIdentifierCode.AVDTP_SUSPEND]
+  0     [+2]         SignalingHeader  signaling_header
+  $next [+1]  bits:
+    0     [+6]       Seid             acp_seid
+    $next [+2]       UInt             rfa
+
+
+struct StreamSuspendResponse:
+  -- Cf 8.15.2 AVDTP_SUSPEND_RSP
+  [requires: signaling_header.message_type == MessageType.RESPONSE_ACCEPT && signaling_header.signal_identifier == SignalIdentifierCode.AVDTP_SUSPEND]
+  0 [+2]  SignalingHeader  signaling_header
+
+
+struct StreamSuspendReject:
+  -- Cf 8.15.3 AVDTP_SUSPEND_REJ
+  [requires: signaling_header.message_type == MessageType.RESPONSE_REJECT && signaling_header.signal_identifier == SignalIdentifierCode.AVDTP_SUSPEND]
+  0     [+2]         SignalingHeader  signaling_header
+  $next [+1]  bits:
+    0     [+6]       Seid             acp_seid
+    $next [+2]       UInt             rfa
+
+  $next [+1]         ErrorCode        error_code