qcom-common: Update media_codecs.xml

Change-Id: I46ea61d3dcfe0e51891fa085ed1ff9d86bea728b
qcom-common: ondemand: Modify Sampling Down Factor to 2

Change needed to help improve frequency scaling
in ondemand governor. Sampling Down Factor
is set to 2 in the init.qcom.post_boot.sh

Change-Id: I1f8eb4fabce24ed7076251f2cc1ac96e8dc79dd4
qcom-common: enable hardware aac encoder and hardware hwui shader stuff

Change-Id: I52044aaaea7b1d6daed93cc75ba59fa63ae6f6a0
qcom: fix vibrator

Change-Id: Idfe1fb799b94279ab32c4d8fd191a1920e386d54