Support multiple display configs for default display

Bug: 196986384

Test: run emulator with multiple display configs,
switch config using 'service call SurfaceFlinger 1035 i32 <configId>'

Change-Id: I14b43323df1f598dd04b3bb36039a67d78e4be66

system/renderControl_enc/renderControl_client_context.cpp

diff --git a/system/renderControl_enc/renderControl_client_context.cpp b/system/renderControl_enc/renderControl_client_context.cpp
index eb5c921..27dd37e 100644
--- a/system/renderControl_enc/renderControl_client_context.cpp
+++ b/system/renderControl_enc/renderControl_client_context.cpp
@@ -75,6 +75,9 @@
 	rcCreateDisplayById = (rcCreateDisplayById_client_proc_t) getProc("rcCreateDisplayById", userData);
 	rcSetDisplayPoseDpi = (rcSetDisplayPoseDpi_client_proc_t) getProc("rcSetDisplayPoseDpi", userData);
 	rcReadColorBufferDMA = (rcReadColorBufferDMA_client_proc_t) getProc("rcReadColorBufferDMA", userData);
+	rcGetFBDisplayConfigsCount = (rcGetFBDisplayConfigsCount_client_proc_t) getProc("rcGetFBDisplayConfigsCount", userData);
+	rcGetFBDisplayConfigsParam = (rcGetFBDisplayConfigsParam_client_proc_t) getProc("rcGetFBDisplayConfigsParam", userData);
+	rcGetFBDisplayActiveConfig = (rcGetFBDisplayActiveConfig_client_proc_t) getProc("rcGetFBDisplayActiveConfig", userData);
 	return 0;
 }