Android: drop Android 4.4 (KitKat) support

Any users of KitKat are likely using an older version of Mesa and
KitKat support adds complexity to the make files. Dropping support
allows removing the MESA_LOLLIPOP_BUILD make variable in various make
files.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/Android.common.mk b/Android.common.mk
index cd57615..34db677 100644
--- a/Android.common.mk
+++ b/Android.common.mk
@@ -65,7 +65,9 @@
 LOCAL_CPPFLAGS += \
 	-D__STDC_CONSTANT_MACROS \
 	-D__STDC_FORMAT_MACROS \
-	-D__STDC_LIMIT_MACROS
+	-D__STDC_LIMIT_MACROS \
+	-Wno-error=non-virtual-dtor \
+	-Wno-non-virtual-dtor
 
 # mesa requires at least c99 compiler
 LOCAL_CONLYFLAGS += \
@@ -102,17 +104,8 @@
 endif
 endif
 
-LOCAL_CPPFLAGS += \
-	$(if $(filter true,$(MESA_LOLLIPOP_BUILD)),-D_USING_LIBCXX) \
-	-Wno-error=non-virtual-dtor \
-	-Wno-non-virtual-dtor
-
-ifeq ($(MESA_LOLLIPOP_BUILD),true)
-  LOCAL_CFLAGS_32 += -DDEFAULT_DRIVER_DIR=\"/system/lib/$(MESA_DRI_MODULE_REL_PATH)\"
-  LOCAL_CFLAGS_64 += -DDEFAULT_DRIVER_DIR=\"/system/lib64/$(MESA_DRI_MODULE_REL_PATH)\"
-else
-  LOCAL_CFLAGS += -DDEFAULT_DRIVER_DIR=\"/system/lib/$(MESA_DRI_MODULE_REL_PATH)\"
-endif
+LOCAL_CFLAGS_32 += -DDEFAULT_DRIVER_DIR=\"/system/lib/$(MESA_DRI_MODULE_REL_PATH)\"
+LOCAL_CFLAGS_64 += -DDEFAULT_DRIVER_DIR=\"/system/lib64/$(MESA_DRI_MODULE_REL_PATH)\"
 
 # uncomment to keep the debug symbols
 #LOCAL_STRIP_MODULE := false