RFR: 8273433: Enable parallelism in vmTestbase_nsk_sysdict tests

[Aleksey Shipilev]

Current `vmTestbase_nsk_sysdict` suite contains about 20 tests, each running exclusively. There seem to be no reason to run them exclusively, though: they complete in reasonable time, are single-threaded, and consume the usual amount of memory.

We should consider enabling parallelism for them and get improved test performance. Currently it is blocked by `TEST.properties` with `exclusiveAccess.dirs` directives in them.

Motivational performance improvements below.

Before:


$ time CONF=linux-x86_64-server-fastdebug make run-test TEST=vmTestbase_nsk_sysdict | ts -s
...
00:45:14 ==============================
00:45:14 Test summary
00:45:14 ==============================
00:45:14    TEST                                              TOTAL  PASS  FAIL ERROR   
00:45:14    jtreg:test/hotspot/jtreg:vmTestbase_nsk_sysdict      20    20     0     0   
00:45:14 ==============================
00:45:14 TEST SUCCESS
00:45:14 
00:45:15 Finished building target 'run-test' in configuration 'linux-x86_64-server-fastdebug'

real	45m14.839s
user	149m49.850s
sys	13m25.849s


After:


$ time CONF=linux-x86_64-server-fastdebug make run-test TEST=vmTestbase_nsk_sysdict | ts -s
...
00:03:25 ==============================
00:03:25 Test summary
00:03:25 ==============================
00:03:25    TEST                                              TOTAL  PASS  FAIL ERROR   
00:03:25    jtreg:test/hotspot/jtreg:vmTestbase_nsk_sysdict      20    20     0     0   
00:03:25 ==============================
00:03:25 TEST SUCCESS
00:03:25 
00:03:25 Finished building target 'run-test' in configuration 'linux-x86_64-server-fastdebug'

real	3m24.702s
user	119m7.488s
sys	8m11.716s

-------------

Commit messages:
 - Remove TEST.properties

Changes: https://git.openjdk.java.net/jdk/pull/5389/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5389&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273433
  Stats: 20 lines in 20 files changed: 0 ins; 20 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5389.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5389/head:pull/5389

PR: https://git.openjdk.java.net/jdk/pull/5389