Add test configs for instanced rendering

tools/nanobench_flags.json

Index: tools/nanobench_flags.json
diff --git a/tools/nanobench_flags.json b/tools/nanobench_flags.json
index 640f3cca529dbb3ec9cd07009a201b0ab9b08f75..e1c2b7293dd0f2a24ce77a73509061f9f0b2b743 100644
--- a/tools/nanobench_flags.json
+++ b/tools/nanobench_flags.json
@@ -68,6 +68,8 @@
     "glmsaa4", 
     "glnvpr4", 
     "glnvprdit4", 
+    "glinst", 
+    "glinst4", 
     "--match", 
     "~blurroundrect", 
     "~patch_grid", 
@@ -197,6 +199,7 @@
     "msaa4", 
     "nvpr4", 
     "nvprdit4", 
+    "esinst", 
     "--match", 
     "~blurroundrect", 
     "~patch_grid", 
@@ -353,6 +356,99 @@
     "~inc0.webp", 
     "~inc1.webp"
   ], 
+  "Test-Android-GCC-Nexus6-GPU-Adreno420-Arm7-Debug": [
+    "--pre_log", 
+    "--images", 
+    "--gpuStatsDump", 
+    "true", 
+    "--useThermalManager", 
+    "1,1,10,1000", 
+    "--scales", 
+    "1.0", 
+    "1.1", 
+    "--config", 
+    "565", 
+    "8888", 
+    "gpu", 
+    "nonrendering", 
+    "angle", 
+    "hwui", 
+    "f16", 
+    "srgb", 
+    "msaa4", 
+    "nvpr4", 
+    "nvprdit4", 
+    "esinst", 
+    "--match", 
+    "~blurroundrect", 
+    "~patch_grid", 
+    "~desk_carsvg", 
+    "~inc0.gif", 
+    "~inc1.gif", 
+    "~incInterlaced.gif", 
+    "~inc0.jpg", 
+    "~incGray.jpg", 
+    "~inc0.wbmp", 
+    "~inc1.wbmp", 
+    "~inc0.webp", 
+    "~inc1.webp", 
+    "~inc0.ico", 
+    "~inc1.ico", 
+    "~inc0.png", 
+    "~inc1.png", 
+    "~inc2.png", 
+    "~inc12.png", 
+    "~inc13.png", 
+    "~inc14.png", 
+    "~inc0.webp", 
+    "~inc1.webp"
+  ], 
+  "Test-Mac-Clang-MacMini6.2-GPU-HD4000-x86_64-Debug": [
+    "--pre_log", 
+    "--images", 
+    "--gpuStatsDump", 
+    "true", 
+    "--scales", 
+    "1.0", 
+    "1.1", 
+    "--config", 
+    "565", 
+    "8888", 
+    "gpu", 
+    "nonrendering", 
+    "angle", 
+    "hwui", 
+    "f16", 
+    "srgb", 
+    "msaa16", 
+    "nvpr16", 
+    "nvprdit16", 
+    "glinst", 
+    "glinst16", 
+    "--match", 
+    "~interlaced1.png", 
+    "~interlaced2.png", 
+    "~interlaced3.png", 
+    "~inc0.gif", 
+    "~inc1.gif", 
+    "~incInterlaced.gif", 
+    "~inc0.jpg", 
+    "~incGray.jpg", 
+    "~inc0.wbmp", 
+    "~inc1.wbmp", 
+    "~inc0.webp", 
+    "~inc1.webp", 
+    "~inc0.ico", 
+    "~inc1.ico", 
+    "~inc0.png", 
+    "~inc1.png", 
+    "~inc2.png", 
+    "~inc12.png", 
+    "~inc13.png", 
+    "~inc14.png", 
+    "~inc0.webp", 
+    "~inc1.webp"
+  ], 
   "Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind": [
     "--pre_log", 
     "--images",