Update notes for submitted changes

* libnbaio: Don't call get_presentation_position for pre KitKat blobs
Update notes for submitted changes

* Introduce AUDIO_LEGACY_HACK to extend support for legacy devices
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* Introduce CAMERA_LEGACY_HACK to extend support for legacy devices
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* fix build breakage when HAVE_PRE_KITKAT_AUDIO_BLOB is set
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* libstagefright: Return EOS after buffers are released
Update notes for submitted changes

* libstagefright: adjust AV sync late margin based on property
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* libstagefright: Add hooks for extended media utils
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* av: Cleanup a lot of QCOM cruft
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* libstagefright: Smooth Streaming in OMXCodec
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* audioflinger: update track ready condition
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* audio: ID3 tags of most chinese songs display messy
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* rtsp: Add a property "rtsp.transport.TCP"
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* frameworks/av: Fix LOG_NDEBUG compilation errors
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* libstagefright: Added mime-types for enca/encv atoms
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* audio: Add pause support for hardware omx component
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* libeffects: do not use GNU old-style field designators
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* Long mp3 metadata displays as corrupted file after transfer
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* libnbaio: Fix previous get_presentation_position commit
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* Avoid jumps to faulty position after seeks
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* Revert "fix build breakage when HAVE_PRE_KITKAT_AUDIO_BLOB is set"