Disable failing GPU tests on Nexus 6.

tools/dm_flags.json

Index: tools/dm_flags.json
diff --git a/tools/dm_flags.json b/tools/dm_flags.json
index c864ab6b1b812095bf210f0c4164b9e1f4cfe50e..11404107bda94552337b154121a5ba702536ddb6 100644
--- a/tools/dm_flags.json
+++ b/tools/dm_flags.json
@@ -421,6 +421,143 @@
     "~tabl_mozilla_0", 
     "~desk_yahoonews_0"
   ], 
+  "Test-Android-GCC-Nexus6-GPU-Adreno420-Arm7-Debug": [
+    "--config", 
+    "565", 
+    "8888", 
+    "gpu", 
+    "msaa4", 
+    "serialize-8888", 
+    "tiles_rt-8888", 
+    "pipe-8888", 
+    "--src", 
+    "tests", 
+    "gm", 
+    "--blacklist", 
+    "gpu", 
+    "_", 
+    "_", 
+    "PANO_20121023_214540.jpg", 
+    "msaa", 
+    "_", 
+    "_", 
+    "PANO_20121023_214540.jpg", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal8os2v2.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal8v4.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal8v5.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgb16-565.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgb16-565pal.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgb32-111110.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgb32bf.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgba32.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgba32abf.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "rgb24largepal.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal8os2v2-16.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal8oversizepal.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal4rletrns.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "pal8rletrns.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "4bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "8bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "24bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "32bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "rgb24largepal.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "pal8os2v2-16.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "pal8oversizepal.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "4bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "8bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "24bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "subset", 
+    "32bpp-pixeldata-cropped.bmp", 
+    "_", 
+    "image", 
+    "decode", 
+    "Hopstarter-Mac-Folders-Apple.ico", 
+    "_", 
+    "tests", 
+    "_", 
+    "WritePixels", 
+    "_", 
+    "tests", 
+    "_", 
+    "FloatingPointTextureTest", 
+    "--match", 
+    "~tabl_mozilla_0", 
+    "~desk_yahoonews_0"
+  ], 
   "Test-Android-GCC-Nexus7-GPU-Tegra3-Arm7-Release": [
     "--config", 
     "565",