RFR: 8294966: jdk.jartool sun.tools.jar.FingerPrint uses ASM to parse class jar entries

[Adam Sotona]

8294966: jdk.jartool sun.tools.jar.FingerPrint uses ASM to parse class jar entries
This patch converts it to use Classfile API.

Please review.
Thanks,
Adam

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Commit messages:
 - Merge branch 'master' into JDK-8294966-jartool
 - FingerPrint fixes
 - Update src/jdk.jartool/share/classes/sun/tools/jar/FingerPrint.java
 - Merge branch 'JDK-8294982' into JDK-8294966
 - removed obsolete javadoc from implementation classes
 - minor fix in CodeBuilder and added test cases to LDCTest
 - EntryMap::nextPowerOfTwo delegates to Long:numberOfLeadingZeros
 - fixed CodeBuilder:constantInstruction for -0.0d and -0.0f values and added test
 - Merge branch 'master' into JDK-8294982
 - fixed new lines at end of file
 - ... and 186 more: https://git.openjdk.org/jdk/compare/cdcf5c1e...3a835539

Changes: https://git.openjdk.org/jdk/pull/11694/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11694&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294966
  Stats: 123 lines in 4 files changed: 49 ins; 40 del; 34 mod
  Patch: https://git.openjdk.org/jdk/pull/11694.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11694/head:pull/11694

PR: https://git.openjdk.org/jdk/pull/11694