Revert "Update D8 and R8 to 2.3.5-dev"

This reverts commit bd1d73bf612d0a37a26494c35df8459e0a018247.

Reason for revert: Broke LambdaImplementationTest

Fixes: 171576910
Change-Id: Ia019ea21e361362b8bee0bd75cdf30a5e47850d8
2 files changed