Revert "Add device dimension data to wallpaper backup flow"

This reverts commit 636651533f54c1371330a8d4110b4f157d1975fe.

Reason for revert: breaking wallpaper B+R as seen in b/327718094

Change-Id: Ib64b36c51384cf71cafa833df05624b1ff2d023a
2 files changed