Revert "[A11y] Allow magnifier to zoom to 20x by default"

This reverts commit 1e0ff8cc5b0ce33cbd3d2ab29e1feb3aa1cfbfd2.

Reason for revert: Droidmonitor created revert due to b/357924889.

Change-Id: I75f0fe056dd1155d91fa1e33cfe78c008db744e0
3 files changed