Allow long-press on workspace immediately after dropping.

Previously the touch was consumed until the transition from
spring-loaded to normal workspace finished, leading long
presses to trigger on the background rather than on apps.
This made it difficult to move multiple icons consecutively.

Bug: 29631912
Change-Id: I259e618c81f56bc40d08a5d63ddbbf3c82a76baf
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 5c96dde..eecbe34 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -168,7 +168,7 @@
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         // We don't want any clicks to go through to the hotseat unless the workspace is in
         // the normal state or an accessible drag is in progress.
-        return mLauncher.getWorkspace().workspaceInModalState() &&
+        return !mLauncher.getWorkspace().workspaceIconsCanBeDragged() &&
                 !mLauncher.getAccessibilityDelegate().isInAccessibleDrag();
     }