Refactor for qcom-common

Change-Id: I80cce0363418c22ced680779658d25a2fc294a13
Remove signalstrength option to fix 4G signal bar

Change-Id: If3e6d87ab63104d8bd338379aa43e645b5f51cbd
Merge commit '352fb49011ca2eea36052b20ad768cd969e9aba3' into jb43