m7vzw: Correct manufacturer, htc to HTC

Change htc for m7vzw manufacter to HTC to make the string look cleaner
in Android Device Manager and Google Play Store (commonly used by users),
as well as any app that reads ro.product.manufacturer from build.prop.
Also, HTC styles their name in print as being uppercase and generally have
it uppercase in their stock ROMs.

Change-Id: I32b288df15b770361774ca8e74d1cdea6d5a04b5
Merge "m7vzw: Correct manufacturer, htc to HTC" into cm-10.2