Revert "Validate the VoiceInteractionService before rebind"

This reverts commit aa1b3725.

Reason for revert: Side-effect: b/343854218
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f244554df4c57f4aec8cf3c89cafef374d91aab6)
Merged-In: If67f2bc32097c37f66695416005baaffee8059f3
Change-Id: If67f2bc32097c37f66695416005baaffee8059f3