Added icons with the light, subtle shadows. Change-Id: Ib3c3893e6b099ea73f1ce5d925c28933b241f544
b/16632858 Change-Id: I611075c836fa8eeb24450aacfbef780af7bedcd2
Bug: 10948032 Change-Id: I8594139a110ec7f43c7358134fc1f71bbd2d0a6b