Fix includes files missing in release builds from GrCustomStageUnitTest.h.

Also fix SK_SUPPORT_GPU=0 build breaks in gmmain.cpp and GLProgramsTest.cpp




git-svn-id: http://skia.googlecode.com/svn/trunk@4947 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 45ad451..c944378 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -18,6 +18,7 @@
 #include "SkPicture.h"
 #include "SkRefCnt.h"
 #include "SkStream.h"
+#include "SkTArray.h"
 #include "SamplePipeControllers.h"
 
 #if SK_SUPPORT_GPU