8183039: Re-examine methodHandle methods uninlined by 8144256
Summary: Add more const references so out-of-line methodHandle destructor and copy ctor called infrequently
Reviewed-by: hseigel, redestad

8165673: AArch64: Fix JNI floating point argument handling
Reviewed-by: aph, adinn
Contributed-by: ningsheng.jian@linaro.org

8068054: AARCH64: Assembler interpreter, shared runtime
Summary: add src/cpu/aarch64/vm/* interpreter, shared runtime files.
Reviewed-by: kvn, roland, coleenp, twisti