Merge changes from topic "cuttlefish_aidl_audio-3" into main

* changes:
  Revert "Add remote submix direct paths"
  audio: Add test configs for effects VTS tests
diff --git a/media/bufferpool/aidl/default/BufferPoolClient.cpp b/media/bufferpool/aidl/default/BufferPoolClient.cpp
index e9777d8..0e249d5 100644
--- a/media/bufferpool/aidl/default/BufferPoolClient.cpp
+++ b/media/bufferpool/aidl/default/BufferPoolClient.cpp
@@ -297,7 +297,7 @@
       mLastEvictCacheMs(::android::elapsedRealtime()) {
     IAccessor::ConnectionInfo conInfo;
     bool valid = false;
-    if(accessor->connect(observer, &conInfo).isOk()) {
+    if (accessor && accessor->connect(observer, &conInfo).isOk()) {
         auto channel = std::make_unique<BufferStatusChannel>(conInfo.toFmqDesc);
         auto observer = std::make_unique<BufferInvalidationListener>(conInfo.fromFmqDesc);