Fix mmap leakage for ASAN build

When address_sanitizer is enable, mmap size will be added an extra
redzone_size. We need to add back to prevent a leakage.

Bug: 147272193
Test: boot
Test: adb shell pm compile -m speed-profile package_name
Test: art/test/testrunner/run_build_test_target.py -j32 art-asan
Change-Id: I5c0792ec779b2efa02e969889ebc54f0c2e7d6e3
1 file changed