Revert "Add bedstead dependency"

This reverts commit fba1cf2dc25b3f244b30f12d1e95cabcb9019602.

Reason for revert: Broke https://atp.googleplex.com/test-runs?testName=v2%2Faaos-engprod%2Fconcurrent_multi_session_ime_test&offset=0&buildTarget=cf_x86_64_only_auto_md-trunk_staging-userdebug

Change-Id: I82a3a7b9bcc5dc0bd5f60cfa5bbd276eeee48071
Bug: 327704045
2 files changed