Checksum for GL pipe communication

This is the guest side implementation for cl go/oag/c/207292.

It initializes checksum whenever a renderControl is created. Each
HostConnection owns a checksum structure.

The list contains mostly auto-generated code by emugen.

Change-Id: I5f7bb9ec8a0cea82f3687f8a15839081651fd841
diff --git a/system/renderControl_enc/renderControl_client_context.cpp b/system/renderControl_enc/renderControl_client_context.cpp
index 22db054..51b62a6 100644
--- a/system/renderControl_enc/renderControl_client_context.cpp
+++ b/system/renderControl_enc/renderControl_client_context.cpp
@@ -38,6 +38,7 @@
 	rcOpenColorBuffer2 = (rcOpenColorBuffer2_client_proc_t) getProc("rcOpenColorBuffer2", userData);
 	rcCreateClientImage = (rcCreateClientImage_client_proc_t) getProc("rcCreateClientImage", userData);
 	rcDestroyClientImage = (rcDestroyClientImage_client_proc_t) getProc("rcDestroyClientImage", userData);
+	rcSelectChecksumHelper = (rcSelectChecksumHelper_client_proc_t) getProc("rcSelectChecksumHelper", userData);
 	return 0;
 }