Rename libexif to libjhead, since that's what it is

b/12203995
Change-Id: Ide9dfc4a6486fb8ae66724099bc7f3d4083d13c7
diff --git a/Android.mk b/Android.mk
index ac3e2d5..99a1766 100644
--- a/Android.mk
+++ b/Android.mk
@@ -28,7 +28,7 @@
 	jpgfile.c \
 	makernote.c
 
-LOCAL_MODULE := libexif
+LOCAL_MODULE := libjhead
 
 LOCAL_SHARED_LIBRARIES := \
 	libcutils \
@@ -50,14 +50,14 @@
 LOCAL_SRC_FILES:= \
 	main.c
 
-LOCAL_MODULE := libexif_jni
+LOCAL_MODULE := libjhead_jni
 
 LOCAL_SHARED_LIBRARIES := \
 	libnativehelper \
 	libcutils \
 	libutils \
 	liblog \
-	libexif
+	libjhead
 
 include $(BUILD_SHARED_LIBRARY)