python3-protobuf: upgrade 3.9.2 -> 3.11.3

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-protobuf_3.11.3.bb

@@ -0,0 +1,10 @@
+inherit setuptools3
+require python-protobuf.inc
+
+DEPENDS += "protobuf"
+DISTUTILS_BUILD_ARGS += "--cpp_implementation"
+DISTUTILS_INSTALL_ARGS += "--cpp_implementation"
+
+do_compile_prepend_class-native () {
+    export KOKORO_BUILD_NUMBER="1"
+}