RFR: 8344218: Remove calls to SecurityManager and and doPrivileged in java.net.NetworkInterface after JEP 486 integration [v2]

[Eirik Bjørsnøs]

> Please review this PR which cleans up SecurityManager related code from `java.net.NetworkInterface` after JEP-486.
> 
> The specification of four methods in NetworkInterface is updated to reflect that these methods no longer uses `SecurityManager` to filter the results such that a subset may be returned. A CSR draft has been filed to fix this leftover from JEP-486.
> 
> The actual SecurityManager cleanup:
> 
> * The `getCheckedInetAddresses` method is removed.
> * `getInetAddresses` is updated to return `enumerationFromArray(addrs)` (with no filtering)
> * `inetAddresses` is update to return `streamFromArray(addrs)` (with no filtering)
> * `getInterfaceAddresses` is updated to return the list of InterfaceAddresses (with no filtering)
> * `getHardwareAddress` is updated to return the result with no permission checking
> * Three c-style array declarations hurt my eyes and were updated (sorry!)
> 
> GHA and tier2 results pending.

Eirik Bjørsnøs has updated the pull request incrementally with one additional commit since the last revision:

  Revert method description changes for getHardwareAddress

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/22177/files
  - new: https://git.openjdk.org/jdk/pull/22177/files/fb4dbdb0..89151b79

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22177&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22177&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/22177.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22177/head:pull/22177

PR: https://git.openjdk.org/jdk/pull/22177