Change DialogLaunchAnimator X-axis interpolator

This dialog changes the interpolator used to animate the X-axis position
of dialogs during the launch animation. This avoid animating the dialog
out of the screen bounds (see b/208241926#comment1).

Bug: 208241926
Test: Manual
Change-Id: Ia5accb747615fcc8410b5c488ff13617556305be
2 files changed