Use the right instruction set for checking dex-cache staleness.

We should use the instruction set we're asked to use, and not
the instruction set of the current runtime.

bug: 16876489

(cherry picked from commit 24e928bddaf8b4af6cdf6d64a7c35bfde059995c)

Change-Id: I07901f059f9966b961e76bc055eaa04ea0227824
1 file changed