Android WebView: actually fix the sdk jar problem.

r188747 didn't actually fix the webview build problem (though it's still
a useful refactoring) - the right fix is just to add quotes to the
expansion in java.gypi such that the shell doesn't try to expand make
variables.

BUG=

Review URL: https://codereview.chromium.org/12917008

git-svn-id: http://src.chromium.org/svn/trunk/src/build@188760 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

java.gypi

@@ -182,7 +182,7 @@
         '--stamp=<(compile_stamp)',
 
         # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
-        '--ignore=>!(echo >(_inputs) | md5sum)',
+        '--ignore=>!(echo \'>(_inputs)\' | md5sum)',
       ]
     },
     {
@@ -203,7 +203,7 @@
         '--excluded-classes=<(excluded_classes)',
 
         # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
-        '--ignore=>!(echo >(_inputs) | md5sum)',
+        '--ignore=>!(echo \'>(_inputs)\' | md5sum)',
       ]
     },
   ],