RFR: 8257442: Lanai: Create RenderPerf tests for SW to HW blits

[Denis Konoplev]

Perf tests to measure sw -> hw and hw->hw blits.

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Commit messages:
 - 8257442: Lanai: Create RenderPerf tests for SW to HW blits

Changes: https://git.openjdk.java.net/lanai/pull/134/files
 Webrev: https://webrevs.openjdk.java.net/?repo=lanai&pr=134&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8257442
  Stats: 81 lines in 1 file changed: 80 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/lanai/pull/134.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/134/head:pull/134

PR: https://git.openjdk.java.net/lanai/pull/134