Add streaming proto option to the build system.

Test: make w/ other prereq changes
Change-Id: Ie8711878e244074a9a3c128467eeb4908c2ef008
diff --git a/core/java.mk b/core/java.mk
index 4370d8c..198c075 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -67,7 +67,11 @@
   ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
     LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-nano
   else
-    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-lite
+    ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),stream)
+      # No library for stream protobufs
+    else
+      LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-lite
+    endif
   endif
 endif
 endif