tree 282dda95608c3bf6909db3d62a4c8620fffbfe26
parent 2625b0463310929481bc5c49d4211f29b1cabc47
author Sam Chiu <samchiu@google.com> 1535619165 +0800
committer Sam Chiu <samchiu@google.com> 1535620453 +0800

acloud: Set default machine_type to n1-standard-4.

Bug: 113501753
Test: m acloud && ran below create cmd to check machineType.
acloud create_cf --branch git_master \
--build_target cf_x86_phone-userdebug \
--build_id 4978353 \
--config_file ~/acloud.config \
-vv

Change-Id: I55a6b816cb82c81f411ecd794061a9c0bc16ef03