[foreign-memaccess+abi] RFR: 8265222: revisit foreign library loading [v2]

[Athijegannathan Sundararajan]

> LibraryLookup removed. CLinker.findNative added. System.loadLibrary has to be used to load library

Athijegannathan Sundararajan has updated the pull request incrementally with one additional commit since the last revision:

  Windows hack for malloc/free. fixed javadoc comments. benchmarks use new APIs. removed psapi.h header include.

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Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/526/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/526/files/f9104fa2..d79b4f9e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=526&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=526&range=00-01

  Stats: 93 lines in 12 files changed: 43 ins; 12 del; 38 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/526.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/526/head:pull/526

PR: https://git.openjdk.java.net/panama-foreign/pull/526