[Retrace] Add ReMapper as an x20 dependency

Bug: 149974481
Change-Id: I905c52bb663c3710820ce8f8d5c333a79520779f
diff --git a/.gitignore b/.gitignore
index 105ce45..76604f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -133,6 +133,8 @@
 third_party/r8.tar.gz
 third_party/r8mappings
 third_party/r8mappings.tar.gz
+third_party/remapper
+third_party/remapper.tar.gz
 third_party/retrace_benchmark
 third_party/retrace_benchmark.tar.gz
 third_party/rhino-1.7.10
diff --git a/third_party/remapper.tar.gz.sha1 b/third_party/remapper.tar.gz.sha1
new file mode 100644
index 0000000..6600831
--- /dev/null
+++ b/third_party/remapper.tar.gz.sha1
@@ -0,0 +1 @@
+da2ce26c22a1d787fe436f1ea03d4eee6306bb35
\ No newline at end of file
diff --git a/tools/download_all_benchmark_dependencies.py b/tools/download_all_benchmark_dependencies.py
index c7b2fca..95b92ed 100755
--- a/tools/download_all_benchmark_dependencies.py
+++ b/tools/download_all_benchmark_dependencies.py
@@ -19,6 +19,8 @@
   utils.DownloadFromX20(
       os.path.join(
           utils.THIRD_PARTY, 'benchmarks', 'android-sdk') + '.tar.gz.sha1')
+  utils.DownloadFromX20(
+      os.path.join(utils.THIRD_PARTY, 'remapper') + '.tar.gz.sha1')
   utils.DownloadFromGoogleCloudStorage(utils.SAMPLE_LIBRARIES_SHA_FILE)
   utils.DownloadFromGoogleCloudStorage(utils.OPENSOURCE_APPS_SHA_FILE)
   utils.DownloadFromGoogleCloudStorage(utils.ANDROID_SDK + '.tar.gz.sha1',