Add a "nano" option to LOCAL_PROTOC_OPTIMIZE_TYPE.

Change-Id: I7429015b3c5f7f38b7be01eb2d4927f7a9999c80
diff --git a/core/java.mk b/core/java.mk
index 7c8c894f..b73bc93 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -52,7 +52,11 @@
 ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),micro)
     LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-2.3.0-micro
 else
+  ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nano)
+    LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-2.3.0-nano
+  else
     LOCAL_STATIC_JAVA_LIBRARIES += libprotobuf-java-2.3.0-lite
+  endif
 endif
 endif