Fix gts issues.

Fix the conversion from in_args.keyId to Cdm format
which causes nullptr dereference signal 11 faults.

Test: atest
  atest-dev GtsMediaTestCases:com.google.android.media.gts.WidevineGenericOpsTests

Bug: 214410088
Change-Id: If84863e2501d4ccae7b8b38dceb707bb4bfa12fb

libwvdrmengine/mediacrypto/aidl_src/WVCryptoPlugin.cpp

@@ -147,8 +147,7 @@ SharedBufferBase::~SharedBufferBase() {
   uint8_t* srcPtr = nullptr;
   void* destPtr = nullptr;
   // Convert parameters to the form the CDM wishes to consume them in.
-  const KeyId cryptoKey(reinterpret_cast<const char*>(in_args.keyId.data()),
-                        wvcdm::KEY_ID_SIZE);
+  const KeyId cryptoKey(in_args.keyId.begin(), in_args.keyId.end());
 
   // start scope for lock_guard
   {