Fixing two critical bugs in all apps transition controller

bug#1: if long press from page indicator region, you can pull up all apps
even though the workspace is in overview state.

bug#2: all apps should not intercept touch not only in overview mode
but also in any modal state.

Change-Id: I91c0a181f037f6c2465a983825da3a2da7e2920f
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 81c95e7..1caec33 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3235,7 +3235,6 @@
                     mWorkspace.startReordering(v);
                 } else {
                     showOverviewMode(true);
-                    mHotseat.requestDisallowInterceptTouchEvent(true);
                 }
             } else {
                 final boolean isAllAppsButton =
@@ -3386,6 +3385,9 @@
         mStateTransitionAnimation.startAnimationToWorkspace(mState, mWorkspace.getState(),
                 Workspace.State.OVERVIEW, animated, postAnimRunnable);
         mState = State.WORKSPACE;
+        // If animated from long press, then don't allow any of the controller in the drag
+        // layer to intercept any remaining touch.
+        mWorkspace.requestDisallowInterceptTouchEvent(animated);
     }
 
     /**