Free p_pending_data from tBNEP_CONN to avoid potential memory leaks am:...

Free p_pending_data from tBNEP_CONN to avoid potential memory leaks am: 309bc9a5 am: 503ce455 am: f24cbdb3 am: 8bcf9430  -s ours am: ef356075  -s ours am: 7c344e54  -s ours am: 40754e66  -s ours am: 09833f66  -s ours am: 791aac72  -s ours am: 1f15c209  -s ours
am: b156eb4c  -s ours

Change-Id: Ifadf30fc86702322d8ab003ea7e6cd3e040cc4fe