[EGD-4694] Add CPU frequency shift mechanism

The CPU frequency changes automatically which saves energy

[EGD-4898] Add GUI for Custom MMI messages- call forwarding

Visitor framework for displaing MMI messages.
GUI for call forwarding custom messages.

[EGD-4727] Change Torch hardware control

Change way of button usage

[EGD-5033] Fix missing texts for ApplicationDesktop

 *Screen and Sim lock windows missing texts added

[EGD-4502] Fix and remove old vfs boot

Remove old vfs bootconfig from the vfs which
will be removed in the later commit

[EGD-4927] Change new filesystem

Due to vfs deprecation there is need to remove all vfs calls from code. This PR covers module apps.

[EGD-4788] Add custom repeat window for the alarm application

When choosing alarm repeat option now it is
possible to choose specific days of the week
and their combinations.

[EGD-4992] Add main Security screen

This commit implement only main Security screen.
Change passcode functionality will be implemented
in [EGD-4995].

[EGD-4869] Add bluetooth message status to application settings

This change demonstrates how to work with Bluetooth messages
in application settings windows.
Responses to bluetooth status messages are mocked because
settings storage and message handlers in Service Bluetooth
are not ready yet.

[EGD-4732] "All Operators" menu option is shown when "Operator auto-select" is off; the state is kept in db
[EGD-4732] Network menu items visibility / indentation

[EGD-4534] Change audio data path synchronization

Refactor audio data path to fix several synchronization issues and
excessive copy operations on large memory blocks. Introduce
audio::Stream data structure to allow connecting audio source and sink
with a zero-copy capability.

Introduce system mechanisms:
 - critical section guard lock needed for stream synchronization
 - non-cacheable memory allocator to allocate memory for DMA safe
   buffers

Update the Googletest CMake template to match the capabilities of the
Catch2 template.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>
Signed-off-by: Hubert Chrzaniuk <hubert.chrzaniuk@mudita.com>

[EGD-4925] Change new filesystem handling implementation in module-gui. (#1193)

Due to vfs deprecation there is need to remove all vfs calls from code. This PR covers module gui. There are some modifications in other modules included which are necessary because of build system issues.

[EGD-4914] input and display languages connection to settings problem… (#1188)

* [EGD-4914] input and display languages connection to settings problem solved

[EGD-4696] Several stabilization patches. (#1192)

[EGD-3442] Fix list empty window unhandled behaviours, in place rebuild handling, notes rebuild on note deletion and changed call Icon name to stateIcon. (#1160)

[EGD-3995] setup sim window prepared basing on the old settings (#913)

[EGD-3995] updated to new settings
[EGD-3995] sim switch using CellularServiceApi

Merge branch 'master' into stable

[EGD-4072] Add new/edit window in alarm clock app (#1159)

Introduced the possibility to add a new alarm and edit an existing alarm

Merge branch 'master' into stable

[EGD-3842] Modify events records tests and add providers fields to DB (#1138)