HALO cleanup

hdpi and mdpi drawables were inconsistent, if you plan to use HALO on
lower res devices you must reproduce them.

Signed-off-by: Dan Trifan <jimsth@gmail.com>

Conflicts:
	core/res/res/drawable-nodpi/floating_frame.9.png
	packages/SystemUI/res/drawable-hdpi/halo_back_left.png
	packages/SystemUI/res/drawable-hdpi/halo_back_right.png
	packages/SystemUI/res/drawable-hdpi/halo_bg.png
	packages/SystemUI/res/drawable-hdpi/halo_bigred.png
	packages/SystemUI/res/drawable-hdpi/halo_black_x.png
	packages/SystemUI/res/drawable-hdpi/halo_dismiss.png
	packages/SystemUI/res/drawable-hdpi/halo_marker_b.png
	packages/SystemUI/res/drawable-hdpi/halo_marker_l.png
	packages/SystemUI/res/drawable-hdpi/halo_marker_r.png
	packages/SystemUI/res/drawable-hdpi/halo_marker_t.png
	packages/SystemUI/res/drawable-hdpi/halo_number.9.png
	packages/SystemUI/res/drawable-hdpi/halo_pulse1.png
	packages/SystemUI/res/drawable-hdpi/halo_x.png
	packages/SystemUI/res/drawable-mdpi/halo_back_left.png
	packages/SystemUI/res/drawable-mdpi/halo_back_right.png
	packages/SystemUI/res/drawable-mdpi/halo_bg.png
	packages/SystemUI/res/drawable-mdpi/halo_bigred.png
	packages/SystemUI/res/drawable-mdpi/halo_black_x.png
	packages/SystemUI/res/drawable-mdpi/halo_dismiss.png
	packages/SystemUI/res/drawable-mdpi/halo_marker_b.png
	packages/SystemUI/res/drawable-mdpi/halo_marker_l.png
	packages/SystemUI/res/drawable-mdpi/halo_marker_r.png
	packages/SystemUI/res/drawable-mdpi/halo_marker_t.png
	packages/SystemUI/res/drawable-mdpi/halo_number.9.png
	packages/SystemUI/res/drawable-mdpi/halo_pulse1.png
	packages/SystemUI/res/drawable-mdpi/halo_x.png
	packages/SystemUI/res/drawable-nodpi/bubble_l.9.png
	packages/SystemUI/res/drawable-nodpi/bubble_r.9.png
	packages/SystemUI/res/drawable-xhdpi/halo_x.png

Change-Id: I2746837bacd60c3079ace4c7523a68b8cd415f5f