liblog: high CPU usage from logcat

BUG: 12457855

- log_read.c poll timeout should be -1 instead of 0 when idling

(cherry picked from commit 7ebf081b5e45c2fd5b523a8f4cc04e30f3b0cfaa)

Change-Id: I9082a15fae0fbf999c0ed516950a49d65a279298
1 file changed
tree: 771eb57da4816f71d6cd08336056f9dde16eaf2b
  1. liblog/
  2. logcat/
  3. logwrapper/