Simplifies the generation of all the prebuilts.

Add the option to provide a destination path for the prebuilt
which makes all the jar into this folder named without the
version and also copies all the XSD from sdklib.

to use, call

$ gradlew -PprebuiltPath=/path/to/foo prebuiltJar

Change-Id: Ib9d697402d4848737ddc3775b562fb32e1c586fb
2 files changed