aw: Instrumentation shell filter browsable intent

This makes out/Default/bin/webview_instrumentation_apk run <url> work.

Change-Id: I9bb1adfc23997c0ab4ebe84b44a80025953138af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2627880Reviewed-by: Peng Huang <penghuang@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Auto-Submit: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843547}

android_webview/test/shell/AndroidManifest.xml

@@ -32,6 +32,13 @@
         <category android:name="android.intent.category.DEFAULT" />
         <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
+      <intent-filter>
+          <action android:name="android.intent.action.VIEW" />
+          <category android:name="android.intent.category.DEFAULT" />
+          <category android:name="android.intent.category.BROWSABLE" />
+          <data android:scheme="http" />
+          <data android:scheme="https" />
+      </intent-filter>
     </activity>
     <activity android:name="org.chromium.android_webview.test.AwTestRunnerActivity"
         android:label="AwTestRunnerActivity">