Various changes

* Enable BOARD_USES_QCOM_AUDIO_VOIPMUTE
* Use custom dalvik parameters from CAF

from arco
Set log_screen_metrics to hdpi

Credits arco
Remove redundant mkdir lines
Already done in system wide init.rc

Credits arco
fix typo!
Credits arco
Switch back to GRALLOC_USAGE_HW_RENDER for camera preview

Credits arco
Add fast charge to AriesParts!