Enable Bazel tests on RBE on Ubuntu 16.04

Let's run Bazel tests as part of the critique presubmit on RBE. This only enables RBE on Ubuntu 16.04 to test speed and reliability. We'll eventually want to migrate all platforms to RBE.

RELNOTES: None
PiperOrigin-RevId: 257763968
diff --git a/.bazelci/presubmit.yml b/.bazelci/presubmit.yml
index 26c17db..3b81a52 100644
--- a/.bazelci/presubmit.yml
+++ b/.bazelci/presubmit.yml
@@ -319,11 +319,36 @@
       - "//src:all_windows_tests"
   rbe_ubuntu1604:
     shell_commands:
-      - sed -i.bak -e 's/^# android_sdk_repository/android_sdk_repository/'
-        -e 's/^# android_ndk_repository/android_ndk_repository/'
-        -e 's/^# rbe_autoconfig/rbe_autoconfig/'
-        -e 's/^# load("@bazel_toolchains/load("@bazel_toolchains/' WORKSPACE
-      - rm -f WORKSPACE.bak
-    build_targets:
-      - "//src:bazel"
-      - "//src:bazel_jdk_minimal"
+    - sed -i.bak -e 's/^# android_sdk_repository/android_sdk_repository/' -e 's/^#
+      android_ndk_repository/android_ndk_repository/' WORKSPACE
+    - rm -f WORKSPACE.bak
+    test_flags:
+    - "--config=ubuntu1604_java8"
+    - "--remote_executor=grpcs://remotebuildexecution.googleapis.com"
+    - "--jobs=200"
+    - "--experimental_remote_download_outputs=minimal"
+    - "--experimental_inmemory_jdeps_files"
+    - "--experimental_inmemory_dotd_files"
+    test_targets:
+    - "--"
+    - "//scripts/..."
+    - "//src/java_tools/..."
+    - "//src/test/..."
+    - "//src/tools/execlog/..."
+    - "//src/tools/singlejar/..."
+    - "//src/tools/workspacelog/..."
+    - "//third_party/ijar/..."
+    - "//tools/aquery_differ/..."
+    - "//tools/python/..."
+    - "//tools/android/..."
+    # See https://github.com/bazelbuild/bazel/issues/8033
+    - "-//src/tools/singlejar:output_jar_simple_test"
+    - "-//src/test/shell/bazel:external_integration_test"
+    - "-//src/test/shell/bazel:maven_test"
+    - "-//src/test/shell/bazel:bazel_repository_cache_test"
+    - "-//src/test/shell/integration:java_integration_test"
+    - "-//src/test/java/com/google/devtools/build/lib:sandbox-tests"
+    # See https://github.com/bazelbuild/bazel/issues/8162 (also disabled for local exec)
+    - "-//src/java_tools/buildjar/..."
+    - "-//src/java_tools/import_deps_checker/..."
+