Make android.check work

Review URL: https://chromiumcodereview.appspot.com/10779011
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12101 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

AUTHORS

@@ -24,6 +24,7 @@ Dineel D Sule <dsule@codeaurora.org>
 Erich Ocean <erich.ocean@me.com>
 Fedor Indutny <fedor@indutny.com>
 Filipe David Manana <fdmanana@gmail.com>
+Haitao Feng <haitao.feng@intel.com>
 Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>
 Jan de Mooij <jandemooij@gmail.com>
 Jay Freeman <saurik@saurik.com>

tools/android-run.py

@@ -91,9 +91,10 @@ def Main():
   android_workspace = os.getenv("ANDROID_V8", "/data/local/v8")
   args = [Escape(arg) for arg in sys.argv[1:]]
   script = (" ".join(args) + "\n"
-            "if [ $? -ne 0 ]\n"
-            "  then echo \"Error returned by test\";\n"
-            "fi\n")
+            "case $? in\n"
+            "  0) break;;\n"
+            "  *) echo \"Error returned by test\";;\n"
+            "esac\n")
   script = script.replace(workspace, android_workspace)
   script_file = WriteToTemporaryFile(script)
   android_script_file = android_workspace + "/" + script_file