8210765: Remove finalize method in CStrike.java

[prrace]

Remove finalize method from CStrike.java

This one is a bit odd in that there's already a Disposer used - and in fact it involves two classes
CStrikeDisposer.java and its subclass - the nested class CStrike.GlyphInfoCache
CStrike.GlyphInfoCache is tracking all the glyph image references.

CStrikeDisposer has the full set of constructors of its superclass - FontStrikeDisposer including support
for the native context

And if supplied, CStrikeDisposer will call the native method freeNativeScalerContext(long) to free the native context
but that native method does not exist !
And there's no CStrike.GlyphInfoCache constructor which allows it to be specified

So the fix is to add that and call the disposeNativeStrikePtr method instead.

I also rejigged things a little so nativeStrikePtr could be final which is supposed to help with the thread visibility.

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Issue

• JDK-8210765: Remove finalize method in CStrike.java (Bug - P4)

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• 01: Full - Incremental (9993f18d)
• 00: Full (69d1ac65)

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