Revert "SamsungQualcommRIL: fix handoff for good."

This reverts commit d0de9e566159c8ec5ad40aed2970fb5a48383149.
Revert "Add onDataRatChanged trigger to DcTracker"

This reverts commit ae3217c9a32ab7f7dd4c0aecd9ca5f6e3022d9c3.
Revert "SamsungCDMAv6RIL: Handle UNSOL_DATA_CALL_LIST_CHANGED"

This reverts commit f310cbcf7c8b8d9734b013ff95a84feb3ff99a11.
Revert "SamsungCDMAv6RIL: rebase to latest RIL"

This reverts commit 61f12a7daa2bf7cde47038eb7412896716ded0e4.
Revert "SamsungCDMAv6RIL: add two mic state and WB AMR"

This reverts commit e42fa045e9e084fc15d2f2de29c1a5212d219b97.