Import AndroidX from build 5001954

./update_prebuilts/update_prebuilts --stx 5001954

Filter for only the 'car-cluster' support library.
Updated script to include 'car-cluster' target.

Test: Manual smoke test
Change-Id: I9be5c3156360c1f4fe743199d7af4be506d50c02
diff --git a/update_prebuilts/update_prebuilts.py b/update_prebuilts/update_prebuilts.py
index 0db3d8c..e7943e7 100755
--- a/update_prebuilts/update_prebuilts.py
+++ b/update_prebuilts/update_prebuilts.py
@@ -127,6 +127,7 @@
     'androidx.annotation:annotation': {'name':'androidx.annotation_annotation', 'path':'androidx/annotation/annotation'},
     'androidx.asynclayoutinflater:asynclayoutinflater': {'name':'androidx.asynclayoutinflater_asynclayoutinflater', 'path':'androidx/asynclayoutinflater/asynclayoutinflater'},
     'androidx.car:car': {'name':'androidx.car_car', 'path':'androidx/car/car'},
+    'androidx.car:car-cluster': {'name':'androidx.car_car-cluster', 'path':'androidx/car/car-cluster'},
     'androidx.collection:collection': {'name':'androidx.collection_collection', 'path':'androidx/collection/collection'},
     'androidx.core:core': {'name':'androidx.core_core', 'path':'androidx/core/core'},
     'androidx.contentpaging:contentpaging': {'name':'androidx.contentpaging_contentpaging', 'path':'androidx/contentpaging/contentpaging'},