Revert "Exception if receive move withouth down"

This reverts commit a0a20dc2.

Reason for revert: This is causing a number of fatal crashes in SystemUI. See b/158081578, b/158057055, b/158060735, and b/158061923.

Fixes: 158081578
Fixes: 158057055
Fixes: 158060735
Fixes: 158061923
Change-Id: If7e6cd4ade3df540ba7d97d9265564132a235292