carto/protobuf @ 4.0.x

Joshua Haberman c8fce07914 Removed "no_arena" variants from the build system.		5 gadi atpakaļ
..
check_version_stamps.sh	1aa6500056 Update the ObjC version checks to support a min and current version.	9 gadi atpakaļ
compile_testing_protos.sh	c8fce07914 Removed "no_arena" variants from the build system.	5 gadi atpakaļ
full_mac_build.sh	24dda9e233 Update the build/test script for newer Xcode 11 versions	5 gadi atpakaļ
pddm.py	ab48ecf140 Update pddm to work with clang-format	5 gadi atpakaļ
pddm_tests.py	ab48ecf140 Update pddm to work with clang-format	5 gadi atpakaļ