* use python3 for running run_tests.py * update dockerimage templates * update dockerfiles * fix bazel build in the bazel docker image * adjust run_tests.py to renamed php docker image * add previously forgotten new templates * add missing images * php dockerfile remove whitespaces * restore accidentally deleted binder_transport_apk image * add back cxx_buster_x64 image * add back php zts stretch image * add back binder_transport_apk image * fix bazel builds by temporarily adding back python2-dev * check_redundant_namespace_qualifiers.py to python3 * fix clang-tidy * make run_tests_matrix.py use python3 * fixup cxx_debian9 templates * regenerate * stop running dummy grpc-node tests for protobuf-at-head and boringssl-at-head jobs * remove cxx_buster image (replaced by cxx_debian9) * add back python_alpine_x64 image * run_tests_in_workspace using python3 * unbreak python macos basictests by partially reverting run_tests_matrix to python2 * fix cxx_gcc_X docker images
Jan Tattermusch