Changed ASSERT_EQ(bool, ...) to ASSERT_TRUE/ASSERT_FALSE.

This is necessary to get the unittests to compile with gcc-4.6.0.

TEST=FEATURES=test emerge-$board cashew
BUG=chromium-os:20063

Change-Id: I867d7d0a0ed766b42001b73470a82dc1e9c73741
Reviewed-on: http://gerrit.chromium.org/gerrit/7489
Tested-by: asharif <asharif@chromium.org>
Reviewed-by: Vince Laviano <vlaviano@chromium.org>