Don't scroll to home card if overview isn't visible

Consider these steps:
- Swipe up for recents
- Scroll over several cards
- Swipe up for all apps
- Press home

Before this change, there was a delay as recents scrolled back to
the workspace card before going home, even though it wasn't visible.

Change-Id: I1c0edc8e02d1d1d236f47882695903e33e6b09ae

.gitignore

@@ -1,16 +0,0 @@
-db_files
-*.iml
-.project
-.classpath
-.project.properties
-gen/
-tests/stress/gen/
-WallpaperPicker/gen/
-WallpaperPicker/.project.properties
-bin/
-.idea/
-.gradle/
-local.properties
-gradle/
-build/
-gradlew*

quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java

@@ -83,7 +83,8 @@ public class RecentsViewStateController implements StateHandler {
 
         // Scroll to the workspace card before changing to the NORMAL state.
         int currPage = mRecentsView.getCurrentPage();
-        if (toState == NORMAL && currPage != 0 && !config.userControlled) {
+        LauncherState fromState = mLauncher.getStateManager().getState();
+        if (fromState.overviewUi && toState == NORMAL && currPage != 0 && !config.userControlled) {
             int maxSnapDuration = PagedView.SLOW_PAGE_SNAP_ANIMATION_DURATION;
             int durationPerPage = maxSnapDuration / 10;
             int snapDuration = Math.min(maxSnapDuration, durationPerPage * currPage);