find7: Update defconfig

 * Merge Android "recommended" configuration

Change-Id: I43976c6cc0ea087036643fb3d9b9890fb7f417a5
find7: Enable dynamic debug feature

 * Tests have shown that this no longer introduces a performance issue.

Change-Id: I18166b298ff7fcf841215769b02fdadb1dc310c5
find7: sync defconfig with cm

Change-Id: Ie9b5dfeeee041f3006a7751076eaeb0185ceb7cf