Revert "Revert "Update type in AnimatedNavHost""

This reverts commit 7917bcd9c2dc13b3ae86924d12d509b4146d7aee.

Reason for revert: <b/285619939>

Change-Id: I057a43d5bf64ad602d822991ad1a688aee5f2bc7
Merged-In: I057a43d5bf64ad602d822991ad1a688aee5f2bc7
(cherry picked from commit 07596e3f7221002448eb759ef9b6984a0d08caac)
(cherry picked from commit 65f2c18d51144303285c84c2a0b5e0e7490cb1ae)
2 files changed