Add 565 to dm defaults.

dm/DM.cpp

 // Main binary for DM.
 // For a high-level overview, please see dm/README.
 
 #include "GrContext.h"
 #include "GrContextFactory.h"
 #include "SkCommandLineFlags.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkString.h"
 #include "gm.h"
@@ skipping 17 matching lines @@
                "If a file, compare generated images against JSON expectations at this path.");
 DEFINE_string(resources, "resources", "Path to resources directory.");
 DEFINE_string(match, "",  "[~][^]substring[$] [...] of GM name to run.\n"
                           "Multiple matches may be separated by spaces.\n"
                           "~ causes a matching GM to always be skipped\n"
                           "^ requires the start of the GM to match\n"
                           "$ requires the end of the GM to match\n"
                           "^ and $ requires an exact match\n"
                           "If a GM does not match any list entry,\n"
                           "it is skipped unless some list entry starts with ~");
-DEFINE_string(config, "8888 gpu",
+DEFINE_string(config, "565 8888 gpu",
         "Options: 565 8888 gpu msaa4 msaa16 gpunull gpudebug angle mesa"); // TODO(mtklein): pdf
 
 __SK_FORCE_IMAGE_DECODER_LINKING;
 
 // "FooBar" -> "foobar".  Obviously, ASCII only.
 static SkString lowercase(SkString s) {
     for (size_t i = 0; i < s.size(); i++) {
         s[i] = tolower(s[i]);
     }
     return s;
@@ skipping 100 matching lines @@
     SkGraphics::Term();
 
     return reporter.failed() > 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char** argv) {
     return tool_main(argc, argv);
 }
 #endif