nicki: Set composition to dyn

 - previously it was set by qcom-common but removed in this commit https://github.com/CyanogenMod/android_device_sony_qcom-common/commit/5c135aea43f82903e714576231dfca09ad8888cb

- also removed obsolete lpa prop and TARGET_USES_QCOM_COMPRESSED_AUDIO

Change-Id: Iddb7f69babcceb3b339803f967b4ae60404efaed