Increase the timeout on Wear for testServiceStateChange

Since it takes longer for the Service state to change on wear, extending the wait time by 20 seconds before querying the service states to make the test cases more stable.

Bug: 278958365
Test: atest TelephonyManagerTestOnMockModem#testServiceStateChange --iterations 10, and 10/10 passed
Change-Id: Ic67e9344c2d4c00b3d9748291d6d1d36ec45facc
1 file changed