wv hidl: setRequestingSid to true

HALs need to getCallingSid to verify clients.

[ Merge of http://go/wvgerrit/89123 ]

Bug: 134787536
Test: log calling sid
Change-Id: I9cfbddfc274457a6802d9c8f37470d656771acc6

libwvdrmengine/src_hidl/service.cpp

@@ -31,6 +31,9 @@ int main(int /* argc */, char** /* argv */) {
 
     configureRpcThreadpool(8, true /* callerWillJoin */);
 
+    android::hardware::setRequestingSid(drmFactory, true);
+    android::hardware::setRequestingSid(cryptoFactory, true);
+
     // Setup hwbinder service
     CHECK_EQ(drmFactory->registerAsService("widevine"), android::NO_ERROR)
         << "Failed to register Widevine Factory HAL";