Reading from logd in WRAP mode is expected to take a long time,

don't abort it after 30s.

Adds a new CTS test to verify the behaviour.

Bug: 64143705
Test: New and existing CTS tests pass. Manual testing with logcat.

(cherry picked from commit 64acdf77)

Change-Id: Ic2ec131a3aee293ee865c46e62566ddd82ec2507