changbetty e7d468f658 Fix a NPE when forget wifi network
To prevent the null activity. If activity is null, there is no need to
execute.

Bug: 184154325
Test: manual test
      make RunSettingsRoboTests ROBOTEST_FILTER=WifiDetailPreferenceController2Test
Change-Id: I0dc32e7ea2a0d5a3f2a55ad8936578ed9fadd201
2021-05-04 22:26:51 +08:00
2021-05-04 22:26:51 +08:00
2019-04-04 12:49:15 -07:00
2019-11-25 20:28:35 +09:00
2021-04-12 08:57:21 +00:00
2019-02-06 15:44:40 +00:00
2020-02-03 01:03:46 +00:00
Description
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3.1 GiB
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Java 89.8%
Kotlin 10.2%