Don't print shader source

Bug: 32984164
Test: compile & run
Change-Id: If632e49b773ca44d4e09e3acb5979f4df15a8d77
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp
index 00de992..ca05648 100644
--- a/libs/hwui/ProgramCache.cpp
+++ b/libs/hwui/ProgramCache.cpp
@@ -735,10 +735,10 @@
     // End the shader
     shader.append(gFS_Footer);
 
-//#if DEBUG_PROGRAMS
+#if DEBUG_PROGRAMS
         PROGRAM_LOGD("*** Generated fragment shader:\n\n");
         printLongString(shader);
-//#endif
+#endif
 
     return shader;
 }