Bluetooth: Ignore the second button if one already pressed

Ignore the second buton if already one button is pressed,
this case comes when user is trying to press the both
cancel and ok for the pairing dialog.

Change-Id: I77516ec59a972b4451bb8cff69645f7b9089497f
Fixes error message during pairing of HOGP devices

When incorrect pin key is entered by user in
the pairing pop up while pairing with a HOGP
device, no error message regarding the failure
is displayed to the user.

CRs-fixed: 618905
Change-Id: I1a5a8baf9ef6c71bf285a28b3e1839fe5ddbca95
Bluetooth: Increase allowed duration to connect to a profile

This patch increases the duration allowed between the first device
connection attempt (immidiately after bonding) and profile connection
after service discovery from 5 seconds to 30 seconds to allow
HOGP connections for slow connection conditions.

Change-Id: I5b17bd0bd2b560709e6e67e2d83f9bca7ea2509d
CRs-Fixed: 612105