Add Cdm support for Cast provision 4.0 flow

[ Merge of http://go/wvgerrit/178135 ]

Bug: 259455235
Test: CorePIGTest.CastReceiverProvisioning*
Test: com.google.android.wvts
Change-Id: I8d546a73a64a71a4d61225d9c6d14d893decce22
(cherry picked from commit 494da3dddf0f47e516e6fc1a73e19b091e6c2abd)

libwvdrmengine/cdm/core/src/cdm_session.cpp

@@ -1310,8 +1310,7 @@ CdmResponseType CdmSession::LoadCastPrivateKey(
 CdmResponseType CdmSession::GenerateRsaSignature(const std::string& message,
                                                  std::string* signature,
                                                  RSA_Padding_Scheme scheme) {
-  return crypto_session_->GenerateRsaSignature(message, signature,
-                                               scheme);
+  return crypto_session_->GenerateRsaSignature(message, signature, scheme);
 }
 
 // For testing only - takes ownership of pointers