Revert "don't use /cache/dalvik-cache for now"

This reverts commit 18fa55b384f972b8ffc0070f4a7bef612cd75130.

Change-Id: Ie5491950210e2bbde1f6c3d15b1e7e3e9e654675
Merge remote-tracking branch 'upstream/kitkat' into kitkat
Merge branch 'kitkat' into kitkat-trinity
Set vibrator amp to 100 by default

Signed-off-by: kecinzer <kecinzer@gmail.com>
Changes from trinity B5 ramdisk

Signed-off-by: kecinzer <kecinzer@gmail.com>