Install radio image as part of droidcore

Previously, the radio image was only installed as part of "make dist".

Change-Id: Id497238930b5a155d1ae30fd7fb2203377c9741d
diff --git a/core/main.mk b/core/main.mk
index 94bfd4b..e1c64fa 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -1613,6 +1613,7 @@
     $(INSTALLED_SYSTEMIMAGE_TARGET) \
     $(INSTALLED_RAMDISK_TARGET) \
     $(INSTALLED_BOOTIMAGE_TARGET) \
+    $(INSTALLED_RADIOIMAGE_TARGET) \
     $(INSTALLED_DEBUG_RAMDISK_TARGET) \
     $(INSTALLED_DEBUG_BOOTIMAGE_TARGET) \
     $(INSTALLED_RECOVERYIMAGE_TARGET) \