Fix wi-fi tethering, add legacy touchscreen, and fix some layouts for LDPI (thanks to noypi_101)

Change-Id: I24924124765549334ef18e6ebc5d5aa2cd0febab
Fix wi-fi tethering, add legacy touchscreen, and fix some layouts for LDPI (thanks to noypi_101)

Change-Id: I4071346a6fda07f8d1e4f253cee71eb2b7d5aa72