[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-5870] Fix filesystem remounting

Skip remounting if a filesystem is already R/W

Merge branch 'EGD-5737-merge-master-to-exp-lbr-fix'

[EGD-5737] Merge master into experimental

Synchronize with master before merging

[EGD-5701] Added DOM dump to harness

* Added generic handler to developerMode
* Added DOM message handling

[EGD-4625] Fix update timeout timer

Moved timer handling to Service Desktop
Use message comm. to update timer state

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5522] Remount fs R/W for backup or update

After setting vFAT to be read only by default backup,
update and factory reset procedures need to remount R/W
first.

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5108] Fix UT module service

Convert module service tests to run natively on linux.

[EGD-4068] Add Update Package Installation Mode

It is necessary that the PureOS update mechanism enters Update Package
Installation Mode (where most of the services are stopped)
when the PureOS update package gets downloaded into the phone.

[EGD-5158] Change access to the bus methods

The bus is now accessible only via Service object.

Merge branch 'master' into stable

[EGD-4960] registerVariableChange moved to Init section of apps

[EGD-4850] Fix of statics between USB CDC and ServiceDesktop

Handling queues with static std::string implementation caused
problem of double-free memory on turning off simulator. Applied
solution to the problem is to pass ownership of queued string to
a receiver side.

Merge branch 'master' into stable

[EGD-4751] Change: new filesystem handling implementation in module services. (#1151)

Due to vfs deprecation there is need to remove all vfs calls from code. This PR covers module services. It also contains minor fixes in module-services.

[EGD-4559] store update history in settings db (#1134)

* [EGD-4559] store update history in settings db

* [EGD-4559] first review fixes

* [EGD-4559] catch changed

Co-authored-by: Alek Rudnik <aleksander.rudnik@mudita.com>

[EGD-4367] sim passcodes flow implementation (#1033)