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

[Coleen Phillimore]

On Mon, 17 Jan 2022 16:32:04 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> 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

There were a couple of files changed that still had casts for the intermediate changes before templates.  I reverted them and reran tier1 testing.  I'll push after GHA completes.

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