This fixes a NPE by ensuring that cached device list has
a cached device associated with a given BDA before accessing
the cached device
Bug:5964529
Change-Id: Ib2c3596e6e008c78f9f1137134e421ca710e1217
Change the always-allowed checkbox to be don't-ask-again checkbox to remember
user's decision so that user will not be bothered agian if he/she checks
the don't-ask-again checkbox
bug 5099661
Change-Id: If32ab8e93313bbd33ff040553083f0cf9359b69e
Show user dialog for incoming BT connection requests from unknown
devices. Move phone book access permission dialog from bluetooth to settings.
The permision dialog pops up to the screen properly instead of
always as notification. AT+CPBR will also use the permission dialog
to ask for user permission.
bug 4489572
Change-Id: Ic1e74b2a9416a462cac4f519240a313691da90c4