Added a new function to verify whether the LE Connection Update parameters are valid instaed of verifying all the LE Connection parameters since only update parameters are set in the Connection Update Request. CRs-Fixed: 387146 Change-Id: I9fe6b51e44e2793f3945613fdfde3a039804746f Signed-off-by: Archana Ramachandran <archanar@codeaurora.org> (cherry picked from commit 95319af0612d58788279748f586cc57221c3443e)