Add the `--copt=-DGRPC_BAZEL_BUILD` build option to MacOS nonpip builds to avoid the following issue:
https://github.com/googleapis/google-cloud-cpp-spanner/issues/1003

PiperOrigin-RevId: 337414797
Change-Id: If9cfddb082a3c498c586d0140a55b77750e19bb1
diff --git a/tensorflow/tools/ci_build/release/macos/cpu_py36_full/nonpip.sh b/tensorflow/tools/ci_build/release/macos/cpu_py36_full/nonpip.sh
index eb245cb..802c097 100644
--- a/tensorflow/tools/ci_build/release/macos/cpu_py36_full/nonpip.sh
+++ b/tensorflow/tools/ci_build/release/macos/cpu_py36_full/nonpip.sh
@@ -42,6 +42,7 @@
 
 # Run tests
 bazel test --test_output=errors --config=opt \
+  --copt=-DGRPC_BAZEL_BUILD \
   --action_env=TF2_BEHAVIOR="${TF2_BEHAVIOR}" \
   --build_tag_filters="${tag_filters}" \
   --test_tag_filters="${tag_filters}" -- \
diff --git a/tensorflow/tools/ci_build/release/macos/cpu_py37_full/nonpip.sh b/tensorflow/tools/ci_build/release/macos/cpu_py37_full/nonpip.sh
index b9e6c3c..4ad1ef4 100644
--- a/tensorflow/tools/ci_build/release/macos/cpu_py37_full/nonpip.sh
+++ b/tensorflow/tools/ci_build/release/macos/cpu_py37_full/nonpip.sh
@@ -42,6 +42,7 @@
 
 # Run tests
 bazel test --test_output=errors --config=opt \
+  --copt=-DGRPC_BAZEL_BUILD \
   --action_env=TF2_BEHAVIOR="${TF2_BEHAVIOR}" \
   --build_tag_filters="${tag_filters}" \
   --test_tag_filters="${tag_filters}" -- \
diff --git a/tensorflow/tools/ci_build/release/macos/cpu_py38_full/nonpip.sh b/tensorflow/tools/ci_build/release/macos/cpu_py38_full/nonpip.sh
index a90d59f..c582582 100644
--- a/tensorflow/tools/ci_build/release/macos/cpu_py38_full/nonpip.sh
+++ b/tensorflow/tools/ci_build/release/macos/cpu_py38_full/nonpip.sh
@@ -42,6 +42,7 @@
 
 # Run tests
 bazel test --test_output=errors --config=opt \
+  --copt=-DGRPC_BAZEL_BUILD \
   --action_env=TF2_BEHAVIOR="${TF2_BEHAVIOR}" \
   --build_tag_filters="${tag_filters}" \
   --test_tag_filters="${tag_filters}" -- \