Fixing chrome_public_test_apk local storage permissions

Bug: 1044330
Change-Id: Iebf1ec10f334cd0ecef416c5e02fa533e01de3a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2079135
Commit-Queue: Sam Maier <smaier@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Auto-Submit: Sam Maier <smaier@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745241}

chrome/android/javatests/AndroidManifest.xml

@@ -58,6 +58,14 @@
             android:exported="true"/>
 {% endblock %}
 
+{% block extra_application_attributes %}
+{{ super() }}
+## Test listing breaks because of scoped storage in Android 10 - see
+## https://developer.android.com/training/data-storage#scoped-storage and
+## https://developer.android.com/training/data-storage/compatibility.
+android:requestLegacyExternalStorage="true"
+{% endblock %}
+
 {% block extra_root_definitions %}
     <instrumentation android:name="org.chromium.base.test.BaseChromiumAndroidJUnitRunner"
         android:targetPackage="{{manifest_package}}"

chrome/android/javatests/AndroidManifest_monochrome.xml

@@ -20,6 +20,9 @@
 
 {% block extra_application_attributes %}
 {{ super() }}
+## Test listing breaks because of scoped storage in Android 10 - see
+## https://developer.android.com/training/data-storage#scoped-storage and
+## https://developer.android.com/training/data-storage/compatibility.
 android:requestLegacyExternalStorage="true"
 {% endblock %}