Do not translate FAB downward when transitioning between tabs.

Since the TAB Y coordinate depends on the snackbar, be sure not to
update it when transitioning between tabs or else it will potentially
overlay the snackbar.

Bug: 26525336
Change-Id: I2af253ee4fd9c32fbcb7ba63c603be0e2730aac0
diff --git a/src/com/android/contacts/common/widget/FloatingActionButtonController.java b/src/com/android/contacts/common/widget/FloatingActionButtonController.java
index 739b3cc..c943669 100644
--- a/src/com/android/contacts/common/widget/FloatingActionButtonController.java
+++ b/src/com/android/contacts/common/widget/FloatingActionButtonController.java
@@ -111,7 +111,6 @@
         // moves along with it.
         mFloatingActionButtonContainer.setTranslationX(
                 (int) (positionOffset * getTranslationXForAlignment(ALIGN_END)));
-        mFloatingActionButtonContainer.setTranslationY(0);
     }
 
     /**