LGE msm7x27-common: cleanup

* Fixup building with BlueZ or Bluedroid (BlueZ enabled)
* Add more useless files to releasetools-extras.txt for space savings
* Remove ro.vold.umsdirtyratio=20 (drastically slows UMS speed)
* Remove all 2.6.35 kernel headers

Change-Id: I90549f2facf05d09a70bf1eff556b56c75794a79