netfilter: nf_conntrack_sip: Dynamically enable/disable SIP ALG.
netfilter: nf_conntrack_sip: Dynamically enable/disable SIP ALG.

Some SIP clients behind NAT require ALG to be turned off.
Allows easy way to do SIP ALG enable/disable from userspace.
Avoids SIP ALG module loading/unloading and saves memory.

Change-Id: I7fc38b8c334838c470993424fdb7ea20e5aa60fe
Signed-off-by: Tyler Wear <91894d314f58a8574db6af5df1490991e0fe0816@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas