Increase timeout for PerfettoTest.VeryLargePackets

The runtime of PerfettoTest.VeryLargePackets on
android-clang-arm-asan[1] is very close to its deadline (5s), causing
flaky timeouts. Increase the test timeout to compensate.

[1] https://ci.perfetto.dev/#!/logs/20200212135301--branches-master-20200212104838--android-clang-arm-asan

Change-Id: I899769b4c1dc78fab25e4a37d2f833a0faa42200
diff --git a/test/end_to_end_integrationtest.cc b/test/end_to_end_integrationtest.cc
index e1fe3b0..12cfa9c 100644
--- a/test/end_to_end_integrationtest.cc
+++ b/test/end_to_end_integrationtest.cc
@@ -586,7 +586,7 @@
   helper.WaitForTracingDisabled();
 
   helper.ReadData();
-  helper.WaitForReadData();
+  helper.WaitForReadData(/* read_count */ 0, /* timeout_ms */ 10000);
 
   const auto& packets = helper.trace();
   ASSERT_EQ(packets.size(), kNumPackets);