msm: kgsl: use kgsl_context_detached() in adreno_dispatcher_queue_cmd()
msm: kgsl: use kgsl_context_detached() in adreno_dispatcher_queue_cmd()

The CTXT_FLAGS_BEING_DESTROYED isn't a reliable way to check if
a context is detached as it is only set if the context is the active
context while it is being destroyed.

Change-Id: I494dc283a5bd4f68c78a85fbd2aae17961b9b34e
Signed-off-by: Jeremy Gebben <b6cec76cbd1daeeb85b910c75fb55eadc32e8d1b@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