Increase WAIT_RA_TIMEOUT_MS

EthernetTethering tests on auto devices are flaky waiting for RA. Increased timeout will give a more generous window to receive RA.

Flag: EXEMPT bugfix
Bug: 418010532
Test: atest android.net.EthernetTetheringTest#testLocalOnlyTethering --iterations 50
Test: atest android.net.EthernetTetheringTest --iterations 20
Change-Id: I6092ee805267a6d50fa2842d3131eeae544c3443
1 file changed