Fix signal strength indicator.

Some devices don't check the service indicator, but only the signal
indicator. Don't give the false impression that the network signal is ok
when we're actually out of service for those devices.

Change-Id: I2e24daf13593439cbc23254fb4539cd250dbae89
Merge branch 'kk_2.7_rb1.15' of git://codeaurora.org/platform/packages/apps/Bluetooth into cm-11.0

Change-Id: I6cf1bf597ab2105dee24bb4cb64d3719e063ab92
Merge "Fix signal strength indicator." into cm-11.0
Merge remote-tracking branch 'magic/kitkat' into kitkat