Disable picture-in-picture for touchless

This is unsupported so it should be flagged as such in the
manifest.

Bug: 978851
Change-Id: I85055fb675195f3eafd6515aef831d052c5b11aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1678280
Auto-Submit: Ian Vollick <vollick@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: Ian Vollick <vollick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672594}

chrome/android/java/AndroidManifest.xml

@@ -501,8 +501,13 @@ by a child template that "extends" this file.
             {# We can only use blocks once in Jinja, for future substitutions we use
             self.supports_video_persistence(). #}
             {% block supports_video_persistence %}
+            {% if notouch_build == "true" %}
+            android:supportsPictureInPicture="false"
+            android:resizeableActivity="false"
+            {% else %}
             android:supportsPictureInPicture="true"
             android:resizeableActivity="true"
+            {% endif %}
             {% endblock %}
             {% block chrome_activity_common %}
             android:windowSoftInputMode="adjustResize"