Tweak logging in incremental_install.py to know when each part is done

build/android/incremental_install.py

Index: build/android/incremental_install.py
diff --git a/build/android/incremental_install.py b/build/android/incremental_install.py
index 9020607adff84c62a76a93348aa9e23b25e4aefd..49f2ab28bd9fbeff9d8b333aca00f4f0750d8d9d 100755
--- a/build/android/incremental_install.py
+++ b/build/android/incremental_install.py
@@ -19,13 +19,11 @@ from devil.android import device_utils
 from devil.android import device_errors
 from devil.utils import reraiser_thread
 from pylib import constants
+from pylib.utils import run_tests_helper
 
 
 def main():
   start_time = time.time()
-  logging.basicConfig(level=logging.INFO,
-                      format='%(asctime)s (%(thread)d) %(message)s')
-
   parser = argparse.ArgumentParser()
   parser.add_argument('apk_path',
                       help='The path to the APK to install.')
@@ -46,9 +44,17 @@ def main():
                       action='store_true',
                       default=False,
                       help='Do not install and push concurrently')
+  parser.add_argument('-v',
+                      '--verbose',
+                      dest='verbose_count',
+                      default=0,
+                      action='count',
+                      help='Verbose level (multiple times for more)')
 
   args = parser.parse_args()
 
+  logging.basicConfig(format='%(asctime)s (%(thread)d) %(message)s')
+  run_tests_helper.SetLogLevel(args.verbose_count)
   constants.SetBuildType('Debug')
 
   if args.device:
@@ -92,6 +98,7 @@ def main():
                              allow_cached_props=True)
     else:
       device.Install(args.apk_path, reinstall=True)
+    logging.info('Finished installing .apk')
 
   # Push .so files to the device (if they have changed).
   def do_push_libs():
@@ -99,6 +106,8 @@ def main():
       device_lib_dir = posixpath.join(device_incremental_dir, 'lib')
       device.PushChangedFiles([(args.lib_dir, device_lib_dir)],
                               delete_device_stale=True)
+      logging.info('Finished pushing native libs')
+
   # Concurrency here speeds things up quite a bit, but DeviceUtils hasn't
   # been designed for multi-threading. Enabling only because this is a
   # developer-only tool.