ART: Remove multidex limit

Remove the arbitrary multidex limit. If users want to use many
files, allow them, but print a warning after a considerable amount.

Bug: 20071800

(cherry picked from commit 32c26b8f9b995250479c185172f4ffd881a59996)

Change-Id: Ic51c96b84042f769a7d33ec53fe587b68cd69df4
4 files changed