trusty:swaes: add in-process BoringSSL benchmark

Bug: 329395477
Test: build.py --test com.android.trusty.swaes.bench
Change-Id: I05ff533645f67edc75cdfec7529db0ce5266df7b
diff --git a/build-config-usertests b/build-config-usertests
index 17d15c1..ed2ff04 100644
--- a/build-config-usertests
+++ b/build-config-usertests
@@ -28,5 +28,6 @@
     porttest("com.android.trusty.hwrng.test"),
     porttest("com.android.trusty.prebuilts.test"),
     porttest("com.android.trusty.stats.test"),
+    porttest("com.android.trusty.swaes.bench").type(BENCHMARK),
     porttest("com.android.trusty.swspi.test"),
 ]