Zygote: replace set?id() with setres?id()

setuid -> setresuid()
setgid -> setresgid()

Change-Id: I319a6a0ea63cf5bd3755ec8371064365be30872b
 Disable dalvikVM logcat entires

  ALOD is used so these entires only show up on user_debug build arent useful
  on shipping roms for anything but debuging dalvik.

Change-Id: I0c25104c20382eaf1b686a302675e165aae61545

Minor formatting changes made to https://github.com/ParanoidAndroid/android_dalvik/commit/370fe0ab15493d0d30459087591b01a2e8639375