Make CtsDeviceInfo installable on Q.

Bug:150836247
Test: m mts && mts-tradefed run mts
Change-Id: If3e87266caf9866df1f085ea08121cf0979f3fc5
diff --git a/tools/cts-device-info/Android.mk b/tools/cts-device-info/Android.mk
index fc55328..acaaef6 100644
--- a/tools/cts-device-info/Android.mk
+++ b/tools/cts-device-info/Android.mk
@@ -27,6 +27,8 @@
 DEVICE_INFO_MIN_SDK := 23
 DEVICE_INFO_TARGET_SDK := 23
 
+LOCAL_MIN_SDK_VERSION := 23
+
 DEVICE_INFO_PERMISSIONS :=
 
 DEVICE_INFO_ACTIVITIES := \