Build messageformat against the SDK and not the platform.

It builds entirely against public API, so there's no reason to
build against the platform. This makes it safe for use from
applications.

Change-Id: I0aeeff829da1d041080736eb30587275a4f2a9bc
diff --git a/Android.mk b/Android.mk
index 1f2c796..75ef32c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -18,11 +18,12 @@
 LOCAL_MODULE := messageformat
 LOCAL_SRC_FILES := $(call all-java-files-under, java/)
 LOCAL_JARJAR_RULES := $(LOCAL_PATH)/jarjar-rules.txt
-
+LOCAL_SDK_VERSION := 9
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 include $(CLEAR_VARS)
 LOCAL_MODULE := messageformat-tests
 LOCAL_STATIC_JAVA_LIBRARIES := messageformat junit-targetdex
 LOCAL_SRC_FILES := $(call all-java-files-under, javatests/)
+LOCAL_SDK_VERSION := 9
 include $(BUILD_STATIC_JAVA_LIBRARY)