Add -XX:MadviseRandomAccess option

If enabled, ART will advise random access to the kernel for files
that are thought to have such access patterns.

Bug: 67772594
Test: verify that -XX:MadviseRandomAccess:true is passed to runtime init

(cherry picked from commit 087f2046dfdf41646c740a05004b4d40cbd99b11)

Change-Id: I76a5f62846d563a4f2cf25e47dbd320464aee8c1
5 files changed