Revert "Move window manager calculation to first touch"

This reverts commit 458c5fede2a320019e5bb502f2f247845101752b.
Revert "Don't include flags in configuration change if their value hasn't changed."

This reverts commit 7e2d56e336e7717c28d9cd2129007755157cce57.
Revert "Send out a configuration change when screen size changes due to expanded"

This reverts commit 62fcdbca9019af846728a823a1c2c5408d9884ec.