Cleanup for L and set dalvik values to default

Change-Id: I6381fc6788d2690f4c1b46155d6c93fd9969943f
Update media for L
Big thanks to maniacx: https://github.com/maniacx/android_device_htc_leo/commit/7b110565a79198c195c6393fdefdba825f280270

Change-Id: I05a96f7f39b0d00e45cb0122a6ca941e440633cc