native: Fix QCOM_BSP_LEGACY cflags
conflicts: libs/gui/Android.mk
           libs/ui/Android.mk
           services/surfaceflinger/Android.mk

Change-Id: Ia448c89fd5a3ca9f5b92d9b09e1d958498eaa263

Conflicts:
	libs/gui/Android.mk
	libs/ui/Android.mk
	services/surfaceflinger/Android.mk