[EGD-6433] Implement SIM PIN enable request

Implement SIM PIN enable/disable request
in PinLockHandler

[EGD-4736] Change PIN windows

Implement changing SIM PIN code flow

[EGD-4734] Add PIN settings window

This window displays switch button for
disabling/enabling pin code for sim card.
Its also starting point for changing pin code.
Added actions for enabling and disabling
pin code for sim card.
Added method for checking if pin code is
set for sim card.

[EGD-6259] Turn off usb security

To prevent errors with USB connectivity and charging screens.

[EGD-5512] Usb security refactor and devices pairing

Move all security related functionality to single security endpoint
Paired devices can be added to avoid further passcode requests

[EGD-5204] Secure USB communication

Secure all endpoints by returning 403(Forbidden) when USB is connected.
Request screen passcode to enable secured endpoints.

[EGD-5204] Secure USB communication

Secure all endpoints by returning 403(Forbidden) when USB is connected.
Request screen passcode to enable secured endpoints.

[EGD-5737] Merge master into experimental

Synchronize with master before merging

[EGD-5545] Add PIN2 handling

Possibility of handling PIN2 request from modem.
Description of the message in PinLock what type of
code is required

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-3756] Created generic ListItemWithCallbacks

Added generic template for ListItemWithCallbacks.
Replaced onDimensionsChange with callbacks.

[EGD-5158] Change access to the bus methods

The bus is now accessible only via Service object.

Merge branch 'master' into stable

[EGD-4995] Add changing passcode windows flow

Implement changing passcode windows flow

Merge commit 'c7dd6b399' into stable

[EGD-2501] Add gsm powerdown due to battery

Gsm model power state maintenance based on battery level.

[EGD-4973] Fix absent notifications on home screen

SMS and Calls notifications require default init
of respective data base. Displaying notifications
require wider space reservation for some digits
(e.g. `8`)