Revert changes to force layout after insets changes

Alternative fix for b/29391054 ag/1152795 sends an MOVE message to
client which also force a layout, so we no longer need to force
it after the insets change in the traversal.

Reverting the following two related fixes as it does more
measures than necessary.

bug: 29391054
bug: 29533997
bug: 29634368

Revert "Fix layout issue after insets changed"

This reverts commit 76fdbb72.

Revert "Do a forceLayout if pending insets is changed after relayout window"

This reverts commit 71f2c314.