RFR: 7903807: Feature Tests - Fixing build failure

[Golla Yadav]

Fixing build failure that caused due to integration of recently added tests(KFL6, KFL7, KFL8, KFL9 and KFL10)

Cause for the issue:
Base class 'KFL.java' file is missing under KFL directory.

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Commit messages:
 - CODETOOLS-7903807: Fixing build issues

Changes: https://git.openjdk.org/jtharness/pull/81/files
  Webrev: https://webrevs.openjdk.org/?repo=jtharness&pr=81&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903807
  Stats: 211 lines in 1 file changed: 211 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jtharness/pull/81.diff
  Fetch: git fetch https://git.openjdk.org/jtharness.git pull/81/head:pull/81

PR: https://git.openjdk.org/jtharness/pull/81