Move incrementWifiLinkLayerUsageStats() to getWifiLinkLayerStats()

Move mWifiMetrics.incrementWifiLinkLayerUsageStats() to getWifiLinkLayerStats().

Bug: 184758271
Test: atest com.android.server.wifi
Change-Id: I6710ba17c0ef4d06e45588b2e9a008d02ebbffa3
1 file changed