Create dist jars only for instrumentation apks; use ijars for them

build/android/gyp/create_dist_jar.py

 #!/usr/bin/env python
 #
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Merges a list of jars into a single jar."""
 
 import optparse
+import re
 import sys
 
 from util import build_utils
 
 def main(args):
   args = build_utils.ExpandFileArgs(args)
   parser = optparse.OptionParser()
   build_utils.AddDepfileOption(parser)
   parser.add_option('--output', help='Path to output jar.')
+  parser.add_option('--use-ijars', action='store_true',

[jbudorick, 2016/02/08 16:24:12]

If we only use dist jars for instrumentation test APKs and we're switching those
to use ijars, why is this an option at all?

[agrieve, 2016/02/08 16:42:01]

GYP doesn't create interface jars.

+                    help='Use .interface.jar rather than the given jars.')
   parser.add_option('--inputs', action='append', help='List of jar inputs.')
   options, _ = parser.parse_args(args)
   build_utils.CheckOptions(options, parser, ['output', 'inputs'])
 
   input_jars = []
   for inputs_arg in options.inputs:
     input_jars.extend(build_utils.ParseGypList(inputs_arg))
 
+  if options.use_ijars:
+    ijar_re = re.compile(r'\.jar$')
+    input_jars = [ijar_re.sub('.interface.jar', p) for p in input_jars]
+
   build_utils.MergeZips(options.output, input_jars)
 
   if options.depfile:
     build_utils.WriteDepfile(
         options.depfile,
         input_jars + build_utils.GetPythonDependencies())
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))