Isolate breakpad_unittests.

BUG=525873

Review URL: https://codereview.chromium.org/1376883002

Cr-Original-Commit-Position: refs/heads/master@{#351584}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 70768b4875f49c92244d19ebd1378e636d35a715

android/android.isolate

@@ -9,6 +9,7 @@
       '../../third_party/android_tools/sdk/platform-tools/',
       '../../third_party/appurify-python/',
       '../../third_party/requests/',
+      '../../tools/swarming_client/',
       '<(PRODUCT_DIR)/md5sum_bin_host',
       '<(PRODUCT_DIR)/md5sum_dist/',
       'devil/',