Adding suport for Private Space QsTile fulfillment.

Adding logic to unlock private space and
scroll to the container after unlock event
is received by Launcher.

This change also moves pieces of Private Space
Animation to different classes, in order to make
it more robust.

Bug: 289024009
Test: atest PrivateProfileManagerTest
Flag: ACONFIG com.google.android.apps.nexuslauncher.inject_private_space_tile TEAMFOOD
Change-Id: Ica2fbc00ff3516ed5aca7fbbfc0bd2aa036a4cee