Revert "Delay handler messages until class is fully initialized"

This reverts commit 24c38549.

Reason for revert: Running test on different devices

Bug: 322457542
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:6cbe5b8015d222273814135df4bb76bec6a26b42)
Merged-In: I5371984cd509703d79409e57b99678a65001695e
Change-Id: I5371984cd509703d79409e57b99678a65001695e