Simplified android_builder and moved internal-only methods to internal module

scripts/slave/recipe_modules/chromium_android/example.expected/coverage_builder_basic.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport os, sys\n\nbuild_path = sys.argv[1]\nif os.path.exists(build_path):\n  for (path, dir, files) in os.walk(build_path):\n    for cur_file in files:\n      if cur_file.endswith('index.lock'):\n        path_to_file = os.path.join(path, cur_file)\n        print 'deleting %s' % path_to_file\n        os.remove(path_to_file)\n",
       "[SLAVE_BUILD]"
     ],
     "name": "cleanup index.lock",
     "~followup_annotations": [
@@ skipping 152 matching lines @@
     "name": "Version: some_builder_1234"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
     "env": {
-      "EXTRA_LANDMINES_SCRIPT": "[SLAVE_BUILD]/src/clank/build/get_internal_landmines.py",
       "GYP_DEFINES": "OS=android app_manifest_version_code=10 app_manifest_version_name=some_builder_1234 chrome_build_id=3333 component=static_library fastbuild=1 target_arch=arm",
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
     },
     "name": "gclient runhooks"
   },
   {
     "abort_on_failure": true,
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/compile.py",
       "--target",
       "Release",
       "--src-dir",
       "[SLAVE_BUILD]/src",
       "--build-tool",
       "ninja",
       "--"
     ],
     "env": {
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
     },
     "name": "compile"
   },
   {
     "cmd": [
+      "[DEPOT_TOOLS]/git_number.py"
+    ],
+    "cwd": "[SLAVE_BUILD]/src",
+    "name": "git_number",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "always_run": true,
+    "cmd": [
+      "python",
+      "-u",
+      "[BUILD]/scripts/slave/android/archive_build.py",
+      "--target",
+      "Release",
+      "--name",
+      "build_product.zip"
+    ],
+    "cwd": "[SLAVE_BUILD]/src",
+    "name": "zip_build_product"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "[BUILD]/scripts/slave/recipe_modules/gsutil/resources/gsutil_wrapper.py",
+      "--",
+      "[DEPOT_TOOLS]/third_party/gsutil/gsutil",
+      "cp",
+      "[SLAVE_BUILD]/src/out/build_product.zip",
+      "gs://build-bucket/coverage_builder/build_product_4f4b02f6b7fa20a3a25682c457bbc8ad589c8a00.zip"
+    ],
+    "name": "gsutil upload_build_product",
+    "~followup_annotations": [
+      "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/build-bucket/coverage_builder/build_product_4f4b02f6b7fa20a3a25682c457bbc8ad589c8a00.zip@@@"
+    ]
+  },
+  {
+    "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/recipe_modules/adb/resources/list_devices.py",
       "['[BUILD_INTERNAL]/scripts/slave/android/adb', 'devices']",
       "/path/to/tmp/json"
     ],
     "name": "List adb devices",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@[@@@",
       "@@@STEP_LOG_LINE@json.output@  \"014E1F310401C009\"@@@",
@@ skipping 290 matching lines @@
     ],
     "name": "gsutil upload coverage report",
     "~followup_annotations": [
       "@@@STEP_LINK@Coverage report@https://storage.cloud.google.com/chrome-code-coverage/java/coverage_builder/4f4b02f6b7fa20a3a25682c457bbc8ad589c8a00@@@"
     ]
   },
   {
     "always_run": true,
     "cmd": [
       "rm",
-      "-rf"
+      "-rf",
+      "[SLAVE_BUILD]/src/out/build_product.zip"
     ],
     "name": "cleanup_build"
   }
 ]