Use default build parameters

Change-Id: If56d56c53ee1c83b7517dba9e5d822e993af4b51
Revert "i9300: selinux: remove vold rules"

This reverts commit a0ff01fe03f0379c7ea348377190782262147459.
Revert "i9300: add selinux policies"

This reverts commit 094934efdfcbddaa5da12b2c819668559d566b0a.