Tweak UI of UsageProgressBarPreference

- Change paddingTop from 16dp to 0dp.
- Change android:scaleY from 4 to 1 because
  Settings APP apply a new progressDrawable.

Bug: 177617478
Test: manual visual
Change-Id: I2e32918e2d4589921d6d36c37a128acb01c4286c
1 file changed