Revert "Increase SF buffer size before starting flicker tests"

This reverts commit 3bedae5d01e17e5a05553d4b6acd40e90b917c12.

Reason for revert: Significantly increased flakiness in go/wm-tests-flicker

Change-Id: I8e1e051103029abf1b431d514b24a7b6253599b9
2 files changed