WebXR: allow Android 11 package queries for GVR/ARCore

Android 11 by default restricts package status queries:
https://developer.android.com/preview/privacy/package-visibility

Add explicit <queries> entries to declare this dependency.

Bug: 1122210
Change-Id: I51c9457b85031c089da40854d10a1ad3b4abe918
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2378735
Commit-Queue: Klaus Weidner <klausw@chromium.org>
Reviewed-by: Michael Thiessen <mthiesse@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803285}

chrome/android/features/ar/AndroidManifest.xml

@@ -17,4 +17,12 @@
         <!-- This tag indicates that this application optionally uses ARCore. -->
         <meta-data android:name="com.google.ar.core" android:value="optional" />
     </application>
+
+    {% if channel in ['default'] %}
+      <queries>
+        <!-- TODO(https://crbug.com/1122210): This is needed for Android 11 to
+             allow checking if ARCore is installed when using ToT builds. -->
+        <package android:name="com.google.ar.core" />
+      </queries>
+    {% endif %}
 </manifest>

chrome/android/features/vr/java/AndroidManifest.xml

@@ -23,4 +23,12 @@
 
     <application>
     </application>
+
+    {% if channel in ['default'] %}
+      <queries>
+        <!-- TODO(https://crbug.com/1122210): This is needed for Android 11 to
+             allow checking if GVR is installed when using ToT builds. -->
+        <package android:name="com.google.vr.vrcore" />
+      </queries>
+    {% endif %}
 </manifest>

chrome/android/java/AndroidManifest.xml

@@ -124,6 +124,27 @@ by a child template that "extends" this file.
     {% block extra_keyset_definitions %}
     {% endblock %}
 
+    {% if channel in ['default'] %}
+      <!--
+        Android 11 (R) restricts querying for installed packages. WebXR uses
+        ARCore and/or GVR, and needs to be able to check their installation
+        status so that it can show install/update infobars if necessary.
+        Official builds (stable, beta, dev, canary) handle this differently,
+        this setting is for locally deployed ToT builds only.
+
+        TODO(https://crbug.com/1122210): remove if this is replaced by an
+        alternate mechanism.
+      -->
+      <queries>
+        {% if include_arcore_manifest_flag == 'true' %}
+          <package android:name="com.google.ar.core" />
+        {% endif %}
+        {% if enable_vr == "true" %}
+          <package android:name="com.google.vr.vrcore" />
+        {% endif %}
+      </queries>
+    {% endif %}
+
     <!-- Set android:largeHeap to "true" to allow more than the default
          Java heap limit (32Mb on Nexus S, 48Mb on Xoom). -->
     <application android:name="{% block application_name %}org.chromium.chrome.browser.ChromeApplication{% endblock %}"