Set IME_FLAG_NO_EXTRACT_UI for ImeAwareEditText

Without IME_FLAG_NO_EXTRACT_UI, device launch ChooseLockPassword
in some cases, mPasswordEntry will go to extrac UI which is
not compliance UI/UX design.

Test: make and check visual of com.android.settings.password
      ChooseLockPassword & SetupChooseLockPassword activities.
Bug: 222219535
Change-Id: I19777954b5edbc9064a8e930b84d2b4e8337c34a