T0lte: fix speaker not working after being on bt

Also fix headset mic volume
Credits for headset fix: https://github.com/Root-Box/device_samsung_t0ltecdma/commit/4ea92cbe2a870a66a68455e1b8984138a50d9fcf

Change-Id: I15863e647773b271567b3beaa2b5139931e8f6b3