DRILL-8145: Fix flaky TestDrillbitResilience#memoryLeaksWhenCancelled test case (#2471)
* Set Brotli codec jar and test to occur only on Linux amd64.
* DRILL-8145: Fix flaky TestDrillbitResilience#memoryLeaksWhenCancelled test case
- changing timeout for TestDrillbitResilience tests
- timing tuning for memoryLeaksWhenCancelled
- update TestContainers version
- -DforkCount=1 for Travis Maven build
- directMemoryMb: 2500 -> 4500 leads to less occasinal test failures
Co-authored-by: James Turton <james@somecomputer.xyz>
