Port android_relocation_packer_unittests to GN

third_party/android_platform/BUILD.gn

Index: third_party/android_platform/BUILD.gn
diff --git a/third_party/android_platform/BUILD.gn b/third_party/android_platform/BUILD.gn
index 123c264d7ce7884699649fe0c1c2bd5b6d532913..f2b3b5d65c92175447c1f51ffd183a70abeb733f 100644
--- a/third_party/android_platform/BUILD.gn
+++ b/third_party/android_platform/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//testing/test.gni")
 import("config.gni")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
@@ -29,4 +30,21 @@ if (current_toolchain == host_toolchain) {
     ]
     sources = gypi_values.relocation_packer_main_source
   }
+
+  copy("copy_android_relocation_packer_test_data") {
+    sources = gypi_values.relocation_packer_test_data_sources
+    outputs = [
+      "$root_out_dir/{{source_file_part}}",
+    ]
+  }
+
+  # GYP: //third_party/android_platform/relocation_packer.gyp:android_relocation_packer_unittests
+  test("android_relocation_packer_unittests") {
+    deps = [
+      ":android_lib_relocation_packer",
+      ":copy_android_relocation_packer_test_data",
+      "//testing/gtest",
+    ]
+    sources = gypi_values.relocation_packer_test_sources
+  }
 }