Increase build timeouts to account for Node build

tools/run_tests/run_performance_tests.py

@@ -249,9 +249,9 @@ def build_on_remote_hosts(hosts,
                           languages=scenario_config.LANGUAGES.keys(),
                           build_local=False):
     """Builds performance worker on remote hosts (and maybe also locally)."""
-    build_timeout = 15 * 60
+    build_timeout = 30 * 60
     # Kokoro VMs (which are local only) do not have caching, so they need more time to build
-    local_build_timeout = 30 * 60
+    local_build_timeout = 45 * 60
     build_jobs = []
     for host in hosts:
         user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, host)