Update config_quickSettingsSupported to false.

This value is read via a test API to disable test cases which rely on
quick settings. We do not have support for quick settings in automotive
builds.

Fixes: 139053573

Test: atest android.app.cts.TileServiceTest
Change-Id: I561a2e448a3f52d2f875a0f390066f3a2404f748
diff --git a/car_product/overlay/frameworks/base/core/res/res/values/config.xml b/car_product/overlay/frameworks/base/core/res/res/values/config.xml
index 62ff41c..b9d6179 100644
--- a/car_product/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/car_product/overlay/frameworks/base/core/res/res/values/config.xml
@@ -58,6 +58,9 @@
     <!-- Automotive Bluetooth pairing option -->
     <bool name="enable_pbap_pce_profile">true</bool>
 
+    <!-- Whether the device supports quick settings and its associated APIs -->
+    <bool name="config_quickSettingsSupported">false</bool>
+
     <!-- Flag indicating that the entire notification header can be clicked to expand the
          notification. If false, then the expand icon has to be clicked in order for the expand
          to occur. -->