Make tests 1995, 2001, & 2005 less likely to OOME.

In some situations when run on a severly overloaded machine tests
1995, 2001 and 2005 could fail due to OOMEs being thrown. Limit the
amount of memory the tests will use to prevent this from happening.

Test: ./test.py --host
Bug: 147190668
Change-Id: Ic5ea4405d6638c110456c3119b37c29d6f658bf7
3 files changed