[Update] Change requestPermissionBackgroundLocation description for Android

[dagonco]

We need to clarify a variation in Android depending on the API we are using.

Request Background Location Permission (Shared)

Message type: REQUEST_PERMISSION_BACKGROUND_LOCATION

Originator: Web

Min app version: TBD

Description

- Android: this method navigates to OS settings.
+ Android: On Android 9 and below, background access is granted with foreground location, while Android 10 and above foreground location is requested first, if not granted, followed by background.

[dagonco]

PR: #260