android: Allow the use of prebuilts/sdk as the SDK for compilation

* Requires one change to dx in the sdk as well:

     https://github.com/Matricom/prebuilts_sdk/commit/8a0058d4f6b9267e7a595069f7b18ea219d84f22

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
tools: android: Allow xbmc to be launched as a home launcher

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
android: Force javac to 1.5 for source and target

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Added more modules and plugins for 3rd party addons.
Added plugins for 3rd party addons
Added more modules and plugins for 3rd party addons.

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Add buffer tweaks to advancedsettings

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
android: Use sha1 in apk name for differentiation

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
android: Add branch name to apk naming

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Update the .gitignore to not allow compiled files

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Add matricom plugin to gitignore

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
xbmc: Add our makefile back

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>