0.3.0
bump xmanager version to 0.3.0 PiperOrigin-RevId: 477991826 Change-Id: Ic4d33d314f722f750c45d971027c7fee5a56fbab GitOrigin-RevId: 0f24470745c08bd41cb631d23cbff5092491c9fc
bump xmanager version to 0.3.0 PiperOrigin-RevId: 477991826 Change-Id: Ic4d33d314f722f750c45d971027c7fee5a56fbab GitOrigin-RevId: 0f24470745c08bd41cb631d23cbff5092491c9fc