logd: Add support for *.logd.filter

(cherry pick from commit 793c0e6ac6e7daa4190e49abfdacc96b45837d41)

- Add device (ro.logd.filter), persistent (persist.logd.filter)
  properties to control the default filters
- Allow logcat -P default to produce expected results
- Allow logcat -P disable to produce expected results

Change-Id: I651cb705373ec1e88a99e4b9086da4f9668a468a
3 files changed
tree: 18d2b1821896d71d2c85a958643c125516c00c2e
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/