Revert "Do not block autofill on waiting for the IME response" This reverts commit 69471c8f155327fe55b4bb7f9db9ac2be454ab17. Reason for revert: Caused a deadlock between AutofillManagerService#mLock and InlineSuggestionsRequestCallbackImpl#mLock. Bug: 150757314 Fix: 151580124 Test: presubmit Change-Id: Ic021facea34cbc34ad5e113790e739ab7f472c1f (cherry picked from commit 949ec8ad6baf5516cbfd27b7e24d0e563c1f42a9)