gui: stock theme rework

Tries to combine the current theme with a touch of material.
Page structure is untouched for the most part.
Layout grid is changed to achieve a "less random" placement of
objects on a page.

Change-Id: Icaf796be410431b17d5be6ccc1134d40912bef0b
diff --git a/gui/Android.mk b/gui/Android.mk
index 6633e9a..66883a4 100644
--- a/gui/Android.mk
+++ b/gui/Android.mk
@@ -82,7 +82,7 @@
 LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)$(TWRES_PATH)
 TWRP_RES := $(commands_recovery_local_path)/gui/devices/common/res/*
 # enable this to use new themes:
-#TWRP_NEW_THEME := true
+TWRP_NEW_THEME := true
 
 ifeq ($(TW_CUSTOM_THEME),)
     ifeq ($(TW_THEME),)