Revert "Bug 5352720: IME_FLAG_NO_EXTRACT_UI is not enforced"

This reverts commit b1bc5fd896329a39ad51a8c79e2970750c814ea0. (If3a73179)
Bug: 5410786
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index ec8dcc9..4292025 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -1039,17 +1039,8 @@
 
     @Override
     public boolean onEvaluateFullscreenMode() {
-        if (!super.onEvaluateFullscreenMode()) return false;
-
-        final EditorInfo ei = getCurrentInputEditorInfo();
-        if (ei != null) {
-            final int imeOptions = ei.imeOptions;
-            if ((imeOptions & EditorInfo.IME_FLAG_NO_EXTRACT_UI) != 0) {
-                return false;
-            }
-        }
-
-        return mResources.getBoolean(R.bool.config_use_fullscreen_mode);
+        return super.onEvaluateFullscreenMode()
+                && mResources.getBoolean(R.bool.config_use_fullscreen_mode);
     }
 
     @Override