Samsung kernel source update
Export audio_effects.h header file

Needed to build libqcompostprocbundle and libqcomvisualizer
Thanks @percy-g2
msm: vidc: set ctrl to request sequence header for encoder

Original commit:
https://github.com/percy-g2/android_kernel_motorola_msm8610/commit/bc50ff797a39f1720d95669a1067541c0f8de3d9