Draft: [non-BE] Resolve "External renderer crashes when rendering OMASA"

• Related issues: #1334 (closed)
• Requested reviewers: @tyagiri

Reason why this change is needed

• OMASA split-pre rendering crashes due to output buffer configuration

Description of the change

• Updated cldfb flag set for output split bitstream buffer configuration

Affected operating points

• Split-pre rendering of OMASA with external renderer (see !2147 (merged) pipeline crashes too)
• Technically non-BE since it fixes an untested crash, but also "BE" since this crash is not in tests.

Related to #1334 (closed)