Another asset drop, provider icons, tests.

Latest asset update, including provider icons which are treated as
special cases for now instead of checking into separate apps.  Add
tests for MIME type matching of roots.  Remove unused XML.

Bug: 10510022
Change-Id: Id567a9e06ba241f60ac011823e550253c6c797fb
diff --git a/tests/AndroidManifest.xml b/tests/AndroidManifest.xml
new file mode 100644
index 0000000..81a2889
--- /dev/null
+++ b/tests/AndroidManifest.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.documentsui.tests">
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation android:name="android.test.InstrumentationTestRunner"
+        android:targetPackage="com.android.documentsui"
+        android:label="Tests for DocumentsUI" />
+
+</manifest>