Android improvements:

samples/openglui/emulator/emulator.gyp

Index: samples/openglui/emulator/emulator.gyp
===================================================================
--- samples/openglui/emulator/emulator.gyp	(revision 18917)
+++ samples/openglui/emulator/emulator.gyp	(working copy)
@@ -16,7 +16,8 @@
             'dependencies': [
               '../../../runtime/dart-runtime.gyp:emulator_embedder',
               'mobile_emulator',
-              'copy_dart_files'
+              'copy_dart_files',
+              'decode_png'
             ]
           }
         ]
@@ -35,6 +36,23 @@
       }],
     },
     {
+      'target_name': 'decode_png',
+      'type': 'none',
+      'actions': [
+        {
+          'action_name': 'decode',
+          'inputs': [
+            '../src/chrome.hex'
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/chrome.png',
+          ],
+          'action': [ 'xxd', '-r', '../src/chrome.hex',
+                      '<(PRODUCT_DIR)/chrome.png' ]
+        }
+      ]
+    },
+    {
       'target_name': 'mobile_emulator',
       'type': 'executable',
       'dependencies': [
@@ -53,21 +71,22 @@
              'link_settings': {
                'libraries': [
                  '-Wl,--start-group',
+                 '-lskia_core',
                  '-lskia_effects',
+                 '-lskia_gr',
                  '-lskia_images',
-                 '-lskia_core',
                  '-lskia_opts',
                  '-lskia_opts_ssse3',
                  '-lskia_ports',
                  '-lskia_sfnt',
+                 '-lskia_skgr',
                  '-lskia_utils',
-                 '-lskia_gr',
-                 '-lskia_skgr',
                  '-Wl,--end-group',
                  '-lfreetype',
                  '-lGL',
                  '-lglut',
                  '-lGLU',
+                 '-lpng',
                  '-lm',
                  '-lc' ],
               'ldflags': [