Revert "Reduce libcore parallelism for host"

This reverts commit 9d00bf1e0a9441153e69ea26c4cf111690a6e6a8.

Reason for revert: It didn't help. I hope the timeout increase helps instead.

Change-Id: I53aaf33a2e9db35bbc25acf89d08fc471e8f60e5
1 file changed