Fix Case on InitDataResemblesPSSH()

(This is a merge of http://go/wvgerrit/14156)

This was Google-cased, not Android-cased like the rest of the file
it's in.

Change-Id: I79ecf490212428de9a668d49d6feca678379f3ae

libwvdrmengine/mediadrm/include/WVDrmPlugin.h

@@ -274,7 +274,7 @@ class WVDrmPlugin : public android::DrmPlugin,
 
   status_t mapOEMCryptoResult(OEMCryptoResult res);
 
-  bool InitDataResemblesPSSH(const Vector<uint8_t>& initData);
+  bool initDataResemblesPSSH(const Vector<uint8_t>& initData);
 
   status_t unprovision(const std::string& origin);