Add gdb script for android webview test shell

build/android/adb_gdb_android_webview_shell

Index: build/android/adb_gdb_android_webview_shell
diff --git a/build/android/adb_gdb_content_shell b/build/android/adb_gdb_android_webview_shell
similarity index 59%
copy from build/android/adb_gdb_content_shell
copy to build/android/adb_gdb_android_webview_shell
index 18e1a61d8934fa361337d81fd7599a100301c950..f685fda77c5e3c7bdd4b9345d2c15f5ddb6d342e 100755
--- a/build/android/adb_gdb_content_shell
+++ b/build/android/adb_gdb_android_webview_shell
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
@@ -9,8 +9,8 @@
 #
 PROGDIR=$(dirname "$0")
 export ADB_GDB_PROGNAME=$(basename "$0")
-export ADB_GDB_ACTIVITY=.ContentShellActivity
+export ADB_GDB_ACTIVITY=.AwShellActivity
 "$PROGDIR"/adb_gdb \
-    --program-name=ContentShell \
-    --package-name=org.chromium.content_shell_apk \
+    --program-name=AwShellApplication \
+    --package-name=org.chromium.android_webview.shell \
     "$@"