FP3: Disable proprietary 3GP parser

The proprietary parser has security issues and won't receive updates
anymore on the msm8953 platform. Unset bit 8 of the bitmask to disable
it and fall back to AOSP parsers.

Issue: FP3SEC-411
Issue: FP3-A11#411
Change-Id: Ie8d37c0c962975e8e6b0f88bece28bf4eb881bc0