NetworkTraceHandlerTest - skip on non-64-bit builds

Bug: 268138838
Test: TreeHugger, atest NetworkTraceHandlerTest
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I379bde927a250d239da74dd9db0dc0aeb1f56d8f
diff --git a/service-t/native/libs/libnetworkstats/NetworkTraceHandlerTest.cpp b/service-t/native/libs/libnetworkstats/NetworkTraceHandlerTest.cpp
index 760ae91..560194f 100644
--- a/service-t/native/libs/libnetworkstats/NetworkTraceHandlerTest.cpp
+++ b/service-t/native/libs/libnetworkstats/NetworkTraceHandlerTest.cpp
@@ -87,7 +87,10 @@
  protected:
   void SetUp() {
     if (access(PACKET_TRACE_RINGBUF_PATH, R_OK)) {
-      GTEST_SKIP() << "Network tracing is not enabled/loaded on this build";
+      GTEST_SKIP() << "Network tracing is not enabled/loaded on this build.";
+    }
+    if (sizeof(void*) != 8) {
+      GTEST_SKIP() << "Network tracing requires 64-bit build.";
     }
   }
 };