tree b453125b817b5ec9ed410e16c1fb2b6126bb39ee
parent 52b1ff2050538d9b70a7bad6d9b47e5c4217774b
author Pinyao Ting <pinyaoting@google.com> 1568845083 +0000
committer Pinyao Ting <pinyaoting@google.com> 1569268571 -0700

Revert "Revert "support scroll backward to minus one screen via voice/switch access""

This reverts commit 3ad4ace203c73aebac98010812703dbb6879d55d.

Reason for revert: roll forward and bugfixes

Change-Id: Icd56cdeddb3baf9819700cc567c04af0905825ef