updated bazel and RBE instance versions

third_party/toolchains/BUILD

@@ -20,17 +20,17 @@ package(default_visibility = ["//visibility:public"])
 # Update every time when a new container is released.
 alias(
     name = "rbe_ubuntu1604",
-    actual = ":rbe_ubuntu1604_r342117",
+    actual = ":rbe_ubuntu1604_r346485",
 )
 
 alias(
     name = "rbe_ubuntu1604_large",
-    actual = ":rbe_ubuntu1604_r342117_large",
+    actual = ":rbe_ubuntu1604_r346485_large",
 )
 
-# RBE Ubuntu16_04 r342117
+# RBE Ubuntu16_04 r346485
 platform(
-    name = "rbe_ubuntu1604_r342117",
+    name = "rbe_ubuntu1604_r346485",
     constraint_values = [
         "@bazel_tools//platforms:x86_64",
         "@bazel_tools//platforms:linux",
@@ -51,9 +51,9 @@ platform(
         """,
 )
 
-# RBE Ubuntu16_04 r342117 large
+# RBE Ubuntu16_04 r346485 large
 platform(
-    name = "rbe_ubuntu1604_r342117_large",
+    name = "rbe_ubuntu1604_r346485_large",
     constraint_values = [
         "@bazel_tools//platforms:x86_64",
         "@bazel_tools//platforms:linux",

tools/remote_build/rbe_common.bazelrc

@@ -18,7 +18,7 @@
 
 startup --host_jvm_args=-Dbazel.DigestFunction=SHA256
 
-build --crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/ubuntu16_04_clang/1.1/bazel_0.16.1/default:toolchain
+build --crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/ubuntu16_04_clang/1.1/bazel_0.20.0/default:toolchain
 build --extra_toolchains=//third_party/toolchains:cc-toolchain-clang-x86_64-default
 # Use custom execution platforms defined in third_party/toolchains
 build --extra_execution_platforms=//third_party/toolchains:rbe_ubuntu1604,//third_party/toolchains:rbe_ubuntu1604_large
@@ -61,9 +61,9 @@ build:msan --cxxopt=--stdlib=libc++
 # setting LD_LIBRARY_PATH is necessary
 # to avoid "libc++.so.1: cannot open shared object file"
 build:msan --action_env=LD_LIBRARY_PATH=/usr/local/lib
-build:msan --host_crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/ubuntu16_04_clang/1.1/bazel_0.16.1/default:toolchain
+build:msan --host_crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/ubuntu16_04_clang/1.1/bazel_0.20.0/default:toolchain
 # override the config-agnostic crosstool_top
-build:msan --crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/ubuntu16_04_clang/1.1/bazel_0.16.1/msan:toolchain
+build:msan --crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/ubuntu16_04_clang/1.1/bazel_0.20.0/msan:toolchain
 
 # thread sanitizer: most settings are already in %workspace%/.bazelrc
 # we only need a few additional ones that are Foundry specific
@@ -79,7 +79,7 @@ build:ubsan --copt=-gmlt
 # TODO(jtattermusch): use more reasonable test timeout
 build:ubsan --test_timeout=3600
 # override the config-agnostic crosstool_top
---crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/experimental/ubuntu16_04_clang/1.1/bazel_0.16.1/ubsan:toolchain
+--crosstool_top=@com_github_bazelbuild_bazeltoolchains//configs/experimental/ubuntu16_04_clang/1.1/bazel_0.20.0/ubsan:toolchain
 # TODO(jtattermusch): remove this once Foundry adds the env to the docker image.
 # ubsan needs symbolizer to work properly, otherwise the suppression file doesn't work
 # and we get test failures.