[Bug] GetAccounts / RemoveAccounts / AcquireTokenSilent on Android + Broker is not consistent with Msal.Android behavior

[bgavrilMS]

Which Version of MSAL are you using ?
4.13

Platform
android

Repro

Expected behavior

• GetAccounts should fetch local accounts from MSAL cache and the broker accounts and merge them by home_account_id.
• RemoveAccount should remove the account and associted tokens from both local cache and from the broker
• AcquireTokenSilent should first try to get a token from local cache and, if none is available, from the broker.

Note: the local cache should not contain an RT because the broker does not give MSAL the RT. If however an RT is present (e.g. from before the broker was installed), I am not sure how this scenario should be handled.

Actual behavior
GetAccounts does not merge local and broker accounts.
RemoveAccoutns does not remove local accoutns and tokens
ATS does not search the local cache

Impact
By not merging local state with broker state, developer does not have an overview of what accounts exist and thefore not be able to use AcquireTokenSilent, but have to rely on AcquireTokenInteractive.

This affects especially users who use an app before and after the broker is installed or who uninstall the broker.

[bgavrilMS]

Duplicate of #1820