Revert "Move pngs from drawable to drawable-mdpi in project packages/apps/Launcher2/"

This reverts commit 921efb310af08579d5a97de7f5e350b78677c6d0.
diff --git a/res/drawable-mdpi/add_button.png b/res/drawable/add_button.png
similarity index 100%
rename from res/drawable-mdpi/add_button.png
rename to res/drawable/add_button.png
Binary files differ
diff --git a/res/drawable-mdpi/default_widget_preview.9.png b/res/drawable/default_widget_preview.9.png
similarity index 100%
rename from res/drawable-mdpi/default_widget_preview.9.png
rename to res/drawable/default_widget_preview.9.png
Binary files differ
diff --git a/res/drawable-mdpi/pressed_application_background.9.png b/res/drawable/pressed_application_background.9.png
similarity index 100%
rename from res/drawable-mdpi/pressed_application_background.9.png
rename to res/drawable/pressed_application_background.9.png
Binary files differ
diff --git a/res/drawable-mdpi/rounded_rect_green.9.png b/res/drawable/rounded_rect_green.9.png
similarity index 100%
rename from res/drawable-mdpi/rounded_rect_green.9.png
rename to res/drawable/rounded_rect_green.9.png
Binary files differ
diff --git a/res/drawable-mdpi/rounded_rect_red.9.png b/res/drawable/rounded_rect_red.9.png
similarity index 100%
rename from res/drawable-mdpi/rounded_rect_red.9.png
rename to res/drawable/rounded_rect_red.9.png
Binary files differ