flounder_lte: Add device-lte.mk and add cdma and gsm overrides.

Change-Id: Id1ef09acdf9c07f347f851e7291ae5cd78d72932
diff --git a/aosp_flounder.mk b/aosp_flounder.mk
index ce5812b..3e296f8 100644
--- a/aosp_flounder.mk
+++ b/aosp_flounder.mk
@@ -33,6 +33,7 @@
 # Inherit from those products. Most specific first.
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base.mk)
 $(call inherit-product, device/htc/flounder/product.mk)
+$(call inherit-product, device/htc/flounder/device-lte.mk)
 $(call inherit-product-if-exists, vendor/htc/flounder_lte/device-vendor.mk)
 
 PRODUCT_NAME := aosp_flounder