Revert "Reuse the main depth controller for launch animations."

This reverts commit ff2b38e3668f82fc7db2fddf193b72a22b1a37bf.

Reason for revert: Caused jank regressions: b/307779813, b/307766171.

Change-Id: I3d513196f9fd8f0768affdda73c0ab8924790037
2 files changed