Revert "Seems to solve the problem of screen On/off effect"

This reverts commit 96cb6b150de99a7fbbfeb33f071b365a8f3b12cd.
beta2 bump!
Use system heap for camera

Allows for freeing a few extra megabytes in kernel.
Experimental though until possible regressions have been ruled out.

Credits: arco
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