Merge "Close CDM sessions only if opened" into pi-dev

am: aa183af75b

Change-Id: I1d89fe1f4d03e77534fb4cc9fb7b7d65ec38165c

libwvdrmengine/mediadrm/src_hidl/WVDrmPlugin.cpp

@@ -142,6 +142,7 @@ WVDrmPlugin::~WVDrmPlugin() {
     }
   }
   mCryptoSessions.clear();
+  if (mCdmIdentifierBuilder.is_sealed()) {
     CdmIdentifier identifier;
     Status status = mCdmIdentifierBuilder.getCdmIdentifier(&identifier);
     if (status != Status::OK) {
@@ -152,6 +153,7 @@ WVDrmPlugin::~WVDrmPlugin() {
         ALOGE("Failed to close cdm. status %d", status);
       }
     }
+  }
 }
 
 Status WVDrmPlugin::openSessionCommon(std::vector<uint8_t>& sessionId) {