Converting the test to a combo-framework test.

8217825: Verify @AfterTest is used correctly in WebSocket tests Summary: Remove @AfterTest tags; added in explicit closing of resources e.g. httpServer, webSocket, etc Reviewed-by: dfuchs, prappo

8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base Summary: Minor coding style update of javadoc tag in any file in java.base Reviewed-by: bchristi, lancea

8224820: ZGC: Support discontiguous heap reservations Reviewed-by: pliden, stefank

8231122: @index tag with newline causes tag search to fail Reviewed-by: jjg

8230061: # assert(mode == ControlAroundStripMined && use == sfpt) failed: missed a node Reviewed-by: thartmann, neliasso

8231098: (tz) Upgrade time-zone data to tzdata2019c Reviewed-by: martin, naoto

8231395: Backout JDK-8231249 Reviewed-by: tschatzl

8230395: Code checks for NULL value returned from NEW_C_HEAP_ARRAY which can not happen Reviewed-by: lkorinth, hseigel, thartmann, dnsimon

8231222: fix pkcs11 P11_DEBUG guarded native traces Reviewed-by: clanger

8231171: remove remaining sun.java.launcher.pid references Reviewed-by: alanb, dholmes

8229778: TestJstatdDefaults.java failed due to "fatal error: LEAF method calling lock?" Reviewed-by: dholmes, dcubed

8231278: Rename FileMapHeader::_read_only_tables_start to _serialized_data_start Reviewed-by: ccheung

8231257: Avoid calling FileMapInfo::write_region twice Reviewed-by: ccheung

8231254: (fs) Add test for macOS Catalina changes to protect system software Reviewed-by: alanb

8210794: Incorrect escaping of in native test libraries Reviewed-by: tbell

8231375: AArch64 build failure after JDK-8230505 Reviewed-by: dcubed

8230505: Replace JVM type comparisons to T_OBJECT and T_ARRAY with call to is_reference_type Summary: Consistently use is_reference_type when comparing type for T_OBJECT or T_ARRAY. Reviewed-by: dlong, coleenp, hseigel Contributed-by: lois.foltan@oracle.com, john.r.rose@oracle.com

8231250: Shenandoah: Traversal GC should keep alive weak load from heap Reviewed-by: rkennke

Test fixes: more logging, typos, fixes to at-run targets

8206125: [windows] cannot pass relative path to --with-boot-jdk Reviewed-by: tbell

8150741: make <module> not equivalent to make <module-dependencies> <module> Reviewed-by: mchung

8231249: Shenandoah: GC retries are too aggressive for tests that expect OOME Reviewed-by: rkennke

8231058: VerifyOops crashes with assert(_offset >= 0) failed: offset for non comment? Summary: Offset method should only be called for comments. Reviewed-by: roland, dholmes

8231293: Shenandoah: Traversal should not revive dead weak roots Reviewed-by: shade

8230857: Avoid reflection in sun.tools.common.ProcessHelper Reviewed-by: sspitsyn, dholmes

8231189: Rename worker_i parameters to worker_id Reviewed-by: kbarrett, sjohanss

8159984: Remove call to ClassLoaderDataGraph::clear_claimed_marks during the initial mark pause Summary: The CLDG is only iterated once during garbage collection, so we do not need to claim CLDs any more. Reviewed-by: sjohanss, kbarrett

8231117: Remove G1EvacuationRootClosures::raw_strong_oops() Reviewed-by: kbarrett, sjohanss

8231275: Remove null check in the beginning of SystemDictionary::load_shared_class() Reviewed-by: ccheung, coleenp