jackqdyulei 84b3b97ca0 Add control to save button.
If the mode is PRIVATE_DNS_MODE_PROVIDER_HOSTNAME and hostname is
invalid, we should disable the save button. Otherwise enable the
save button.

Bug: 68030013
Test: RunSettingsRoboTests
Change-Id: If9149c119f1b396a7057590d515b62e7c19b9f99
2017-11-15 12:54:18 -08:00
2017-11-15 18:01:07 +00:00
2017-11-15 12:54:18 -08:00
2015-04-13 09:21:39 -07:00
2017-10-13 15:59:03 -07:00
2017-09-18 17:01:23 -07:00
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3.1 GiB
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Java 89.8%
Kotlin 10.2%