Add --split-apk-path flag to apk_install.py, and install-multiple logic to adb_wrapper

build/android/pylib/device/device_utils.py

Index: build/android/pylib/device/device_utils.py
diff --git a/build/android/pylib/device/device_utils.py b/build/android/pylib/device/device_utils.py
index 967809ff8e2860d5846f181b780e1ed7c341dc33..72422467ee3d8d075d36be3c3599280ddc62f778 100644
--- a/build/android/pylib/device/device_utils.py
+++ b/build/android/pylib/device/device_utils.py
@@ -444,7 +444,8 @@ class DeviceUtils(object):
   @decorators.WithTimeoutAndRetriesDefaults(
       INSTALL_DEFAULT_TIMEOUT,
       INSTALL_DEFAULT_RETRIES)
-  def Install(self, apk_path, reinstall=False, timeout=None, retries=None):
+  def Install(self, apk_path, reinstall=False, timeout=None, retries=None,
+              split_paths=None):
     """Install an APK.
 
     Noop if an identical APK is already installed.
@@ -454,6 +455,8 @@ class DeviceUtils(object):
       reinstall: A boolean indicating if we should keep any existing app data.
       timeout: timeout in seconds
       retries: number of retries
+      split_paths: (optional) List of splits to install. Triggers use of
+          "adb install-multiple" rather than "adb install".
 
     Raises:
       CommandFailedError if the installation fails.
@@ -469,7 +472,7 @@ class DeviceUtils(object):
     else:
       should_install = True
     if should_install:
-      self.adb.Install(apk_path, reinstall=reinstall)
+      self.adb.Install(apk_path, reinstall=reinstall, split_paths=split_paths)
 
   @decorators.WithTimeoutAndRetriesFromInstance()
   def RunShellCommand(self, cmd, check_return=False, cwd=None, env=None,
@@ -1585,4 +1588,3 @@ class DeviceUtils(object):
 
     return [cls(adb) for adb in adb_wrapper.AdbWrapper.Devices()
             if not blacklisted(adb)]
-