Revert "Fix: ic_notify_halo => ic_notify_halo_normal"

This reverts commit dc178d44d9f1bebd0b669da1703a7bf8491e5af4.
Enable Halo pressed image in expanded status bar

Conflicts:

	packages/SystemUI/res/layout/status_bar_expanded_header.xml

Change-Id: If90409084715619a54f563c6508feced0139ce51