SystemUI: Add ethernet network icon

Add an ethernet network icon to the statusbar network area.

Change-Id: I019740f360b5f9cc85f404f75d38e38896182a81
Merge branch 'qcril' into cm-10.2

Change-Id: I04942b4f5bca73f91d9f6857ddce087a558249b9
FUCKING CYANOGENMOD!

Change-Id: I7eb10e1bd0367867289f118c957b03df2ff1a56e
Signed-off-by: Nick0703 <lokesh.c703@gmail.com>