Companion device chooser UI enchancements

Test: Ensure the device chooser dialog looks nicer.
Bug: 30932767
Change-Id: I62e6437e26f229aedb051998a8745a6e1918dbdc
diff --git a/packages/CompanionDeviceManager/AndroidManifest.xml b/packages/CompanionDeviceManager/AndroidManifest.xml
index 3eede54..65cac09 100644
--- a/packages/CompanionDeviceManager/AndroidManifest.xml
+++ b/packages/CompanionDeviceManager/AndroidManifest.xml
@@ -41,7 +41,7 @@
 
         <activity
             android:name=".DeviceChooserActivity"
-            android:theme="@*android:style/Theme.Dialog.NoFrame"
+            android:theme="@style/ChooserActivity"
             android:permission="android.permission.BIND_COMPANION_DEVICE_MANAGER_SERVICE">
             <!--TODO include url scheme filter similar to PrintSpooler -->
             <intent-filter>