Revert "Make the accent color darker in DocumentsUI for better accessibility."

We have to change the color only in a specific place,
not the accent color everywhere.

This reverts commit 8e22d69df21e638452d07f5dd12f323fb40059a5.

Change-Id: I6d712fc1d0275f91b20ff90f91450e849cbb1622
1 file changed