Fix drm aidl listeners

This is a part of change to fix cts test issue on drm framework by using clearkey aidl as the backend plugin.

Test: atest
CtsMediaDrmTestCases: android.media.drm.cts.NativeMediaDrmClearkeyTest#testClearKeyPlaybackCenc
Bug: 206804036
Change-Id: I2ad8a863dc1804e74d0fc40b933473546ed39b4a
diff --git a/drm/libmediadrm/DrmHal.cpp b/drm/libmediadrm/DrmHal.cpp
index fe8b9f6..aa40793 100644
--- a/drm/libmediadrm/DrmHal.cpp
+++ b/drm/libmediadrm/DrmHal.cpp
@@ -26,7 +26,7 @@
 
 DrmHal::DrmHal() {
     mDrmHalHidl = sp<DrmHalHidl>::make();
-    mDrmHalAidl = ndk::SharedRefBase::make<DrmHalAidl>();
+    mDrmHalAidl = sp<DrmHalAidl>::make();
 }
 
 DrmHal::~DrmHal() {}