Increase the number of test service names

Append a random number between 0 and 999999999 to the service name,
instead of 0 to 999 (and historically 0 to 9999). This reduces chances
that a collision can happen, if the test is run simultaneously on
devices on the same network.

Bug: 190249673
Test: atest NsdManagerTest
Change-Id: I14a7a60a45c41b920f50d9ccc4dd3f98fd623c42
1 file changed