partial revert "Support xxxhdpi icons & delete unused icons"

This reverts part of commit 07bee9781f57be0e25b9e0a32e10df866a5c637e.

Change-Id: Ie41cb784463abb5798988c29763352134425f2dd
18 files changed
tree: dc434538e77fbf6e14f1b463585af4a945f11183
  1. res-common/
  2. src/
  3. tests/