[WIP] Added FreeRDP (pre) 2.0

Closed username-removed-440387 requested to merge akallabeth/fdroiddata:freerdp into master
  • Adds aFreeRDP build manifest.
  • Since 2.0 of FreeRDP has not been released yet I've set it to 1.99
  • builds aFreeRDP including dependencies OpenSSL 1.0.1g and OpenH264 1.5.0

Nice to have: a override of version information form AndroidManifest.xml Currently using a patch to set the version to the desired one.