Don't quote the URL in intents sent by adb_run_*_shell.

build/android/adb_run_android_webview_shell

Index: build/android/adb_run_android_webview_shell
diff --git a/build/android/adb_run_android_webview_shell b/build/android/adb_run_android_webview_shell
index cc9f6d27e84cd68d3fb65d48b0a6df9d386f1ab2..1014a731f476608d8944c83bdc28ac8d6c2f0510 100755
--- a/build/android/adb_run_android_webview_shell
+++ b/build/android/adb_run_android_webview_shell
@@ -4,12 +4,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-if [ $# -gt 0 ] ; then
-   INTENT_ARGS="-d \"$1\""  # e.g. a URL
-fi
+optional_url=$1
 
 adb shell am start \
   -a android.intent.action.VIEW \
   -n org.chromium.android_webview.shell/.AwShellActivity \
-  $INTENT_ARGS
-
+  ${optional_url:+-d "$optional_url"}