Add VTS tests for NNAPI IPreparedModel::executeFenced

  - Validation tests
  - Generated tests to exercise executeFenced path

Bug: 142778241
Test: mm
Change-Id: I509f0b5713fc86885d597940aae5ade0502c97ad
diff --git a/neuralnetworks/1.3/vts/functional/Android.bp b/neuralnetworks/1.3/vts/functional/Android.bp
index ce2d3a9..8e7e9b9 100644
--- a/neuralnetworks/1.3/vts/functional/Android.bp
+++ b/neuralnetworks/1.3/vts/functional/Android.bp
@@ -65,6 +65,7 @@
         "libhidlmemory",
         "libneuralnetworks_generated_test_harness",
         "libneuralnetworks_utils",
+        "libsync",
     ],
     whole_static_libs: [
         "neuralnetworks_generated_V1_0_example",