Cleanup updateAccessPoints for readability.

Non functional refactor.

Bug: 68030053
Test: runtest --path
    frameworks/base/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/WifiTrackerTest.java

Change-Id: I32f832b396e2eca51f9c4e20ad50e9123e1ba144
1 file changed