tree 7edeb04de52c4a86475f89517dce9cfe8adde6bf
parent b5279a03da7fd35c24735ac192af87209df666c7
author Jiyong Park <jiyong@google.com> 1592824424 +0900
committer Jiyong Park <jiyong@google.com> 1592906448 +0900

ro.com.android.dataroaming in device.mk is optional

The final value for the system property is in device_vendor.mk

Change the setting in device.mk as optional to explicitly mark that
the value there can be overridden. This also is in preparation for
I9c073a21c8257987cf2378012cadaeeeb698a4fb where duplicated
(non-optional) sysprops is prohibited.

Bug: 117892318
Bug: 158735147
Test: m
Change-Id: I4b0eff2d1fbee5e1e08fbd5de1cd5f5afbd42f09