Tools: Java setup script

Small script to automatically setup java 1.6 without needing it to be installed on
the system.  Allows users to run java 1.7 for their main java needs.

Change-Id: I8c1176d0dff0296fe161f42ba87e315858b655bf
Signed-off-by: Evan Anderson <evan1124@gmail.com>
d2usc: Derp use correct device tree
Merge branch 'jb43-legacy' of https://github.com/ParanoidAndroid/android_vendor_pa into jb4.3