Fix CtsNetTestCasesLatestSdk fail on Q platform

The CtsNetTestCasesLatestSdk needs to build against platform (for hidden
API access), The JNI library libnativedns_jni used by
CtsNetTestCasesLatestSdk needs to build against stable SDK (for running
on Q). To fulfill the combination, property jni_uses_sdk_apis must be
set.

Bug: 151122313
Bug: 150904735
Bug: 150918852
Test: atest CtsNetTestCasesLatestSdk on R and Q platforms
Change-Id: I5db3cb28829847e74412d270db7d17b81c5e26a2
diff --git a/tests/cts/net/Android.bp b/tests/cts/net/Android.bp
index 46fae33..93a6d91 100644
--- a/tests/cts/net/Android.bp
+++ b/tests/cts/net/Android.bp
@@ -77,6 +77,7 @@
 android_test {
     name: "CtsNetTestCasesLatestSdk",
     defaults: ["CtsNetTestCasesDefaults"],
+    jni_uses_sdk_apis: true,
     min_sdk_version: "29",
     target_sdk_version: "29",
     test_suites: [