Remove use of IStreamIn@7.1

This interface was a no-op, removed to save space.

Bug: 217752112
Test: atest VtsHalAudioV7_1TargetTest
Change-Id: Id8b39b4058371b72ca02af78c70be7daa5aa1e44
diff --git a/media/libaudiohal/impl/StreamHalHidl.cpp b/media/libaudiohal/impl/StreamHalHidl.cpp
index 703d302..cc23cc5 100644
--- a/media/libaudiohal/impl/StreamHalHidl.cpp
+++ b/media/libaudiohal/impl/StreamHalHidl.cpp
@@ -39,7 +39,7 @@
 
 namespace android {
 
-using ReadCommand = ::android::hardware::audio::CPP_VERSION::IStreamIn::ReadCommand;
+using ReadCommand = ::android::hardware::audio::CORE_TYPES_CPP_VERSION::IStreamIn::ReadCommand;
 
 using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
@@ -821,7 +821,7 @@
 
 
 StreamInHalHidl::StreamInHalHidl(
-        const sp<::android::hardware::audio::CPP_VERSION::IStreamIn>& stream)
+        const sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IStreamIn>& stream)
         : StreamHalHidl(stream.get()), mStream(stream), mReaderClient(0), mEfGroup(nullptr) {
 }