Overhaul Android support and make Swarming bot use python-adb

appengine/swarming/server/bot_archive.py

Index: appengine/swarming/server/bot_archive.py
diff --git a/appengine/swarming/server/bot_archive.py b/appengine/swarming/server/bot_archive.py
index 42c4675865f5c8f79d6095ce6a803f32c6341925..232fcd6a1659efb22158a113be4467030dc589d5 100755
--- a/appengine/swarming/server/bot_archive.py
+++ b/appengine/swarming/server/bot_archive.py
@@ -156,6 +156,18 @@ FILES = (
     'utils/tools.py',
     'utils/zip_package.py',
     'xsrf_client.py',
+
+    # TODO(maruel): Find a way to only include these on linux platforms but it's
+    # not that large so it is not a big deal.
+    'adb/__init__.py',
+    'adb/adb_commands.py',
+    'adb/adb_protocol.py',
+    'adb/common.py',
+    'adb/fastboot.py',
+    'adb/filesync_protocol.py',
+    'adb/usb_exceptions.py',
+    'libusb1.py',
+    'usb1.py',
 )
 
 def resolve_symlink(path):
@@ -165,6 +177,9 @@ def resolve_symlink(path):
   git on Windows renders symlinks as normal files.
   """
   if sys.platform != 'win32' or os.path.isfile(path):
+    # This means that symlinks to file will not be resolved properly. In our
+    # case this is fine because the only 2 instances of this issue are
+    # libusb1.py and usb1.py, which are only used on Ubuntu.
     return path
   parts = os.path.normpath(path).split(os.path.sep)
   for i in xrange(2, len(parts)):