RFR: 8248404: AArch64: Remove uses of long and unsigned long [v12]

[Coleen Phillimore]

> Tested with mach5 on linux-aarch64 and macosx-aarch64 on tier1-3 and below GHA for windows-aarch64 (once I open this PR).

Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:

  Revert sharedRuntime_aarch64.cpp

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7023/files
  - new: https://git.openjdk.java.net/jdk/pull/7023/files/d37b1e63..dd0e0db1

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7023&range=11
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7023&range=10-11

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7023.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7023/head:pull/7023

PR: https://git.openjdk.java.net/jdk/pull/7023