Add tool to help analyze binary size

BUG=

Review URL: https://codereview.chromium.org/119083006

git-svn-id: http://src.chromium.org/svn/trunk/src/build@245405 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all_android.gyp

@@ -183,5 +183,13 @@
       'dependencies': [
       ],
     },
+    {
+      # Build the java portions of the binary size analysis tool.
+      'target_name': 'binary_size_tool',
+      'type': 'none',
+      'dependencies': [
+        '../tools/binary_size/binary_size.gyp:binary_size_java',
+      ],
+    },
   ],  # targets
 }