nicki: Set composition to dyn[1/2]

 - previously it was set by qcom-common but removed in this commit CyanogenMod/android_device_sony_qcom-common@5c135ae

- also removed obsolete lpa prop and TARGET_USES_QCOM_COMPRESSED_AUDIO

Change-Id: Iddb7f69babcceb3b339803f967b4ae60404efaed