Upgrade azure-identity msal4j from 1.3 to latest

[joshfree]

Tracking work item to investigate upgrading from the Jan 2020 (1.3.0) release of msal4j to a later release, which now has additional bug fixes and better support for throttling instructions

https://github.com/AzureAD/microsoft-authentication-library-for-java/blob/dev/changelog.txt

[joshfree]

Moving this back to August, per the 1.0.9 release plan

[g2vinay]

1.0.9 with latest MSAL has been released.