Add SET_TIME_ZONE permission to native_test.

Chromecast has some tests that need this.

BUG=

Review-Url: https://codereview.chromium.org/2949403002
Cr-Commit-Position: refs/heads/master@{#481937}

testing/android/native_test/java/AndroidManifest.xml.jinja2

@@ -18,6 +18,7 @@ found in the LICENSE file.
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
     <uses-permission android:name="android.permission.RECORD_AUDIO"/>
+    <uses-permission android:name="android.permission.SET_TIME_ZONE"/>
     <uses-permission android:name="android.permission.WAKE_LOCK"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>