omni: add support for ROM_BUILDTYPE=MICROG

Change-Id: I750a157391a89a95ad71d18ef6fc6ec17c1da16b
diff --git a/config/version.mk b/config/version.mk
index 07a68f2..731fa53 100644
--- a/config/version.mk
+++ b/config/version.mk
@@ -12,15 +12,17 @@
 include vendor/gapps/config.mk
     VENDOR_EXCEPTION_PATHS += \
     gapps
-
-    ROM_VERSION := $(PLATFORM_VERSION)-$(shell date +%Y%m%d)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
-else
+endif
+ifeq ($(ROM_BUILDTYPE),MICROG)
+include vendor/microg/microg.mk
+    VENDOR_EXCEPTION_PATHS += \
+    microg
+endif
 ifeq ($(ROM_BUILDTIME_UTC),y)
     ROM_VERSION := $(PLATFORM_VERSION)-$(shell date -u +%Y%m%d)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
 else
     ROM_VERSION := $(PLATFORM_VERSION)-$(shell date +%Y%m%d)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
 endif
-endif
 
 # Apply it to build.prop
 OMNI_PRODUCT_PROPERTIES += \