Revert "SF: Update InputFlinger outside main thread"

This reverts commit 42a27b5657975485a72033736f37bfe6de0e21a8.

Reason for revert: <Breaking presubmit tests>
Bug: 207839663
Change-Id: Ic066d5a44339128a59e8aa3bb488a41cad13cf76
5 files changed