Change LOCAL_SDK_VERSION from current to 8

Change-Id: I99b424657caa02473b1122773f19552592777af7
diff --git a/Android.mk b/Android.mk
index 3555158..a7a0ac8 100644
--- a/Android.mk
+++ b/Android.mk
@@ -16,7 +16,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := jsr305
-LOCAL_SDK_VERSION := current
+LOCAL_SDK_VERSION := 8
 LOCAL_SRC_FILES := $(call all-java-files-under, ri/src/main/java)
 
 include $(BUILD_STATIC_JAVA_LIBRARY)