Revert "Avoid IME restart for configChanges"

Revert "Add cts for InputMethodService configChanges"

Revert submission 13417792-b/167948419

Reason for revert: Causes bugs like b/181195100
Reverted Changes:
Iff88b768c:Avoid IME restart for configChanges
Ib7ce13340:Add cts for InputMethodService configChanges

Bug: 167948419
Fix: 181195100
Change-Id: I36bca545b09b4f870560964ec61fa6bb344fceaf
10 files changed