Add SELinux policies

Conflicts:

	BoardConfigCommon.mk

Change-Id: I286157f74da0e995617410ebf2921090f04df993
sepolicy: fix file.te

device/htc/msm7x30-common/sepolicy/file.te":8:ERROR 'duplicate declaration of type/attribute' at token ';' on line 7519:

type audio_firmware_file, file_type;
checkpolicy:  error(s) encountered while parsing configuration

Change-Id: I5d6c030903c6574fd5e4e75fd06309883a0e8a4b
msm7x30: Remove lack-of-selinux recovery/updater hack.

Change-Id: I0e608bca87ec049bc99192cf59683507587df108
msm7x30: inherit dalvik config for our devices

 * This is probably best, even for the devices with 768mb ram.

Change-Id: I533c8723cc21958544d3e1667c7ad887eb7f9081