Revert "Prevent NPE in PulseExpansionHandler"

This reverts commit 14f069b83ced6680a154753e9d944983e60f78a8.

Reason for revert: http://b/156204772

Change-Id: Ie47d41d3d6625d3769005bd46b5dfe20171d5d70
(cherry picked from commit 9a45fe67e97e964e2cb9b2161f3a8a4508a1a52d)
1 file changed