Add targets for tablet/tv product variants

Some string resources in PackageInstaller use different values depending
on the form factor of the target device. At the moment, their values are
determined at compile time with the aapt option "--product <type>".

Test: manual build
Bug: 230547007
Change-Id: I2cd789b8c3a2ee93f1eaad4079bc69d48ea39917
1 file changed