Call AIBinder_setRequestingSid from createBinder override function

AIBinder_setRequestingSid must be called first upon creation of a
binder object before AIBinder_getCallingSid is called. Call
AIBinder_setRequestingSid in the createBinder override function
for WVDrmFactory, WVDrmPlugin and WVCryptoPlugin classes.

Test: Play TV streaming
Test: adb shell dumpsys android.hardware.drm.IDrmFactory/widevine -a

Bug: 237613676
Change-Id: I9dde4715ba2003deb463bd75b23e1ebc2f22a764

libwvdrmengine/mediadrm/aidl_include/WVDrmPlugin.h

@@ -407,6 +407,8 @@ class WVDrmPlugin : public ::aidl::android::hardware::drm::BnDrmPlugin,
 
   std::string mAppPackageName;
 
+  ::ndk::SpAIBinder createBinder() override;
+
   Status queryProperty(const std::string& property,
                        std::string& stringValue) const;