browserserver: Inherit from webos-ports-submissions

* Fix conflict with DPI scaling

Signed-Off-By: Josh Palmer <jpalmerwatkins@me.com>
luna-sysmgr: Bump SRCREV

* Revert incorrect initial positive space calculation
  (Fixes initial status bar positioning in tabletUi)

Signed-Off-By: Josh Palmer <jpalmerwatkins@me.com>