RFR: 8185127: Add tests to cover hashCode() method for java supported crypto key types [v5]

[Sibabrata Sahoo]

> This is a simple Test to add few additional API coverage for all java supported key types. The objective of this Test is to cover equals() and hashcode() methods for each key types.

Sibabrata Sahoo has updated the pull request incrementally with one additional commit since the last revision:

  Updated Test to remove SunMSCAPI provider
  
  SunMSCAPI provider excluded from the supported algorithm provider list because neither the native generated keys are serializable nor PKCS8EncodedKeySpec compatible for certain algorithms like RSA.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3490/files
  - new: https://git.openjdk.java.net/jdk/pull/3490/files/be5d9a62..cb219824

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3490&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3490&range=03-04

  Stats: 41 lines in 1 file changed: 10 ins; 15 del; 16 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3490.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3490/head:pull/3490

PR: https://git.openjdk.java.net/jdk/pull/3490