Adds forceQueryable to manifest

This change makes the DownloadProvider visible to all apps on device,
removing the need for apps to declare the download provider queryable in
their manifests.

Test: atest android.app.cts.DownloadManagerTest
Bug: 142386643
Change-Id: If9c27e6ffafc7a2fb096a7321295a516733470a0
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index d189894..6ef1b54 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -66,6 +66,7 @@
                  android:icon="@mipmap/ic_launcher_download"
                  android:allowBackup="false"
                  android:supportsRtl="true"
+                 android:forceQueryable="true"
                  android:usesCleartextTraffic="true">
 
         <provider android:name=".DownloadProvider"