DSB: Solved NetworkTraffic Drawables for white DSB background

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkTraffic.java

Change-Id: I74201ba082e778c36dcb20b00be345ac0d2d7ff7

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkTraffic.java