Fix generated Abseil patch format

Author: Apricityx

scripts/patch_tfjava.py

@@ -56,7 +56,7 @@ def write_tensorflow_android_absl_patch(path: Path) -> None:
     text = """diff --git a/tensorflow/workspace.bzl b/tensorflow/workspace.bzl
 --- a/tensorflow/workspace.bzl
 +++ b/tensorflow/workspace.bzl
-@@ -186,7 +186,8 @@ def tf_workspace(path_prefix = \"\", tf_repo_name = \"\"):\n     tf_http_archive(\n         name = \"com_google_absl\",\n         build_file = clean_dep(\"//third_party:com_google_absl.BUILD\"),\n         # TODO: Remove the patch when https://github.com/abseil/abseil-cpp/issues/326 is resolved\n         # and when TensorFlow is build against CUDA 10.2\n -        patch_file = clean_dep(\"//third_party:com_google_absl_fix_mac_and_nvcc_build.patch\"),\n +        patch_file = clean_dep(\"//third_party:com_google_absl_fix_mac_and_nvcc_build.patch\"),\n +        patch_cmds = [\"grep -q '^#include <limits>$' absl/synchronization/internal/graphcycles.cc || sed -i '/#include <algorithm>/a #include <limits>' absl/synchronization/internal/graphcycles.cc\"],\n         sha256 = \"acd93f6baaedc4414ebd08b33bebca7c7a46888916101d8c0b8083573526d070\",  # SHARED_ABSL_SHA\n         strip_prefix = \"abseil-cpp-43ef2148c0936ebf7cb4be6b19927a9d9d145b8f\",\n         urls = [\n"""
+@@ -186,7 +186,8 @@ def tf_workspace(path_prefix = \"\", tf_repo_name = \"\"):\n     tf_http_archive(\n         name = \"com_google_absl\",\n         build_file = clean_dep(\"//third_party:com_google_absl.BUILD\"),\n         # TODO: Remove the patch when https://github.com/abseil/abseil-cpp/issues/326 is resolved\n         # and when TensorFlow is build against CUDA 10.2\n-        patch_file = clean_dep(\"//third_party:com_google_absl_fix_mac_and_nvcc_build.patch\"),\n+        patch_file = clean_dep(\"//third_party:com_google_absl_fix_mac_and_nvcc_build.patch\"),\n+        patch_cmds = [\"grep -q '^#include <limits>$' absl/synchronization/internal/graphcycles.cc || sed -i '/#include <algorithm>/a #include <limits>' absl/synchronization/internal/graphcycles.cc\"],\n         sha256 = \"acd93f6baaedc4414ebd08b33bebca7c7a46888916101d8c0b8083573526d070\",  # SHARED_ABSL_SHA\n         strip_prefix = \"abseil-cpp-43ef2148c0936ebf7cb4be6b19927a9d9d145b8f\",\n         urls = [\n"""
     path.write_text(text, encoding="utf-8")