Eric Schwarzenbach 241cb0db02 Update detail icon only if its signal level changed.
Changes behavior to only render the wifi pie icon if the new rssi has
resulted in a new signal level.

Bug: 64712237
Test: make -j40 ROBOTEST_FILTER=WifiDetailPreferenceControllerTest
RunSettingsRoboTests

Change-Id: I01be2f87d61489242d646ff2003db13c9268ea14
2017-08-16 11:52:17 -07:00
2017-08-15 23:37:59 +00:00
2017-05-31 15:24:25 -07:00
2015-04-13 09:21:39 -07:00
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