Remove unused pooled lambda methods

Those methods have not been used for a long time. And the
regular lambda is already good in performance.

Also fix the test:
 - Log pattern in new platform is changed.
   (need to append "/data/anr/" manually)
 - Format line endings.

Bug: 120160274
Test: atest LambdaPerfTest
Change-Id: I761fc3a75a3c740a530b8e377b67afd5decb5503