Introduce feature education for AllApps Search

Preview: https://drive.google.com/file/d/1eXf3K6kFh0bHcYlpwW_voSRjY9RQalJN/view?usp=sharing&resourcekey=0-IABjrtXM5JhHvSf-7yc4tg

Edu can be dismissed permanently by pressing "Got it" button or typing. Swiping down defers edu until next visit to all apps

- Move fallback search to quickstep
Bug: 178100472
Test: Manual

Change-Id: I920aab366330758e81f8b9fa62736abf82fe5cac

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -270,11 +270,10 @@ public class AllAppsTransitionController implements StateHandler<LauncherState>,
             if (Float.compare(mProgress, 0f) == 0) {
                 mLauncher.getLiveSearchManager().start();
                 EditText editText = mAppsView.getSearchUiManager().getEditText();
-                if (editText != null) {
+                if (editText != null && !mInsetController.showSearchEduIfNecessary()) {
                     editText.requestFocus();
                 }
-            }
-            else {
+            } else {
                 mLauncher.getLiveSearchManager().stop();
             }
             // TODO: should make the controller hide synchronously