Revert "Use IMM#invalidateInput() in EditText#setText()"

This reverts commit 01732bb37a09f4d2146185ab3f61fa248283b97d [1].

Reason for revert: Caused regression in Chrome Omnibox

 [1]: I8d2e0be22454b106ded15c78c876b55dc6e60a13

Bug: 203086369
Fix: 208941904
Test: presubmit
Change-Id: I5915f6bad63d8e978cb98a79076b9c57089422f8
1 file changed