Add ViewPager2 to prebuilts

./prebuilts/sdk/update_prebuilts.py 6226016 --stx

Test: make ANDROID_BUILDSPEC=vendor/google/build/app_build_spec.mk -j32
Fixes: 150782390

Change-Id: Ia8360aea63069f10f5a985f6fcddc9b084cd6f87
diff --git a/update_prebuilts/update_prebuilts.py b/update_prebuilts/update_prebuilts.py
index 8031a99..c99c0c1 100755
--- a/update_prebuilts/update_prebuilts.py
+++ b/update_prebuilts/update_prebuilts.py
@@ -196,6 +196,7 @@
     'androidx.recyclerview:recyclerview': {'name':'androidx.recyclerview_recyclerview', 'path':'androidx/recyclerview/recyclerview'},
     'androidx.vectordrawable:vectordrawable': {'name':'androidx.vectordrawable_vectordrawable', 'path':'androidx/vectordrawable/vectordrawable'},
     'androidx.viewpager:viewpager': {'name':'androidx.viewpager_viewpager', 'path':'androidx/viewpager/viewpager'},
+    'androidx.viewpager2:viewpager2': {'name':'androidx.viewpager2_viewpager2', 'path':'androidx/viewpager2/viewpager2'},
     'androidx.wear:wear': {'name':'androidx.wear_wear', 'path':'androidx/wear/wear'},
     'androidx.webkit:webkit': {'name':'androidx.webkit_webkit', 'path':'androidx/webkit/webkit'},
     'androidx.biometric:biometric': {'name':'androidx.biometric_biometric', 'path':'androidx/biometric/biometric'},