Use junit-host instead of junit

Bug: 30188076
Test: make checkbuild
Change-Id: Ideca0d566baf9a45ca407cfbbfcd237f58c3d8e5
diff --git a/Android.mk b/Android.mk
index cb402a8..d65a198 100644
--- a/Android.mk
+++ b/Android.mk
@@ -90,7 +90,7 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
   caliper-host \
-  junit \
+  junit-host \
   mockito-host
 
 # Use Dagger2 annotation processor
@@ -114,7 +114,7 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
   caliper-host \
-  junit \
+  junit-host \
   mockito-host
 
 LOCAL_JAVA_LANGUAGE_VERSION := 1.7