msm: audio: qdsp5: Fix to Update acdb_audpp_entry in device switch

-Issue: Parameters of acdb_audpp_entry like, AUDIO_NS_TX, AUDIO_AGC_TX,
AUDIO_IIR_TX is not updating when device switched during recording.
-Incorrect audio session information getting updated to acdb driver
during audio preproc enable call back.
-Fix: By updating the value of acdb_data.audrec_applied variable when
device got changed, acdb_audpp_entry's parameters are getting update.
-By updating audio recording session before calling audio preproc enable.

Change-Id: I224d626ccce0f91eccc29890d870ff98d7fb05ce
CRs-Fixed: 509455
Signed-off-by: Nitesh Bhardwaj <nbhard@codeaurora.org>
msm: kgsl: Don't refer the NULL context

This fix ensure the BIRT test case will not
cause any device crash.

Change-Id: Ibbcdca293f4da05b21d16674f605aac729905959
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>