Add sdk_version property to cts tests

This change specifies the sdk_version property to the cts test modules
so that the test modules do not depend on the framework, and utilize the
test api instead.

Test: TH
Bug: 345499522
Change-Id: I876fb8681dadad9d123bedb38d67c1a31b0f3a54
diff --git a/tests/cts/net/api23Test/Android.bp b/tests/cts/net/api23Test/Android.bp
index 2ec3a70..587d5a5 100644
--- a/tests/cts/net/api23Test/Android.bp
+++ b/tests/cts/net/api23Test/Android.bp
@@ -56,4 +56,5 @@
         ":CtsNetTestAppForApi23",
     ],
     per_testcase_directory: true,
+    sdk_version: "test_current",
 }