Fix a Dead Loop issue in RecipientEditTextView

The old code logic will cause dead loop when pasting phone number
to recipient.

Change-Id: I01183680289919105dadc28ffd40c8e60dfd6b7e
Author: Jianping Li <jianpingx.li@intel.com>
Signed-off-by: Jianping Li <jianpingx.li@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 58793