This change is to make the locale picker list enable the nested
scrolling feature. It is necessay to enable this feature to be able to
work with CollapsingToolbarLayout.
Fixes: 207318265
Fixes: 213036789
Test: manual test
1. Verify the locale picker works with Activity
2. Verify the locale picker works with SettingsBaseActivity
Change-Id: Iaf90211da640cd265fc2b23dd34b3149c4406891
fa861a6b5d