Add TabLayout UI to on BaseActivity and show it conditionally

There will be a new tablayout UI added to PickActivity on device with
managed user.
Tapping on the UI does nothing at the moment.

Test: atest DocumentsUIGoogleTests:com.android.documentsui.ProfileTabsTest
Bug: 148264331
Change-Id: I727b28dbae7fac59a3da9da7f16ae7c3608a1a0f