qcacld-3.0: set LOCAL_MODULE_TAGS to optional variant

From Android Q onwards LOCAL_MODULE_TAGS set to debug
variant is deprecated, thus set LOCAL_MODULE_TAGS
to optional variant by removing LOCAL_MODULE_TAGS.
If a module doesn't specify a tag (by LOCAL_MODULE_TAGS),
its tag defaults to optional.

Change-Id: Iecadd3bf07a375e2cfb044b400330c490f2023b0
CRs-Fixed: 2452507
1 file changed