PNaCl: Update subzero revision in pnacl/COMPONENT_REVISIONS
PNaCl: Update subzero revision in pnacl/COMPONENT_REVISIONS

This pulls in the following Subzero change:

44b3ce8: (jpp@chromium.org) Subzero. Fix CfgLocalAllocator bug.

BUG=none
TEST= PNaCl toolchain trybots
R=jpp@chromium.org

Review URL: https://codereview.chromium.org/1745583002 .

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client