Move sdk staging dir to a product-specific dir
Move sdk staging dir to a product-specific dir

So we can do incremental build across different SDK products.

(cherry picked from commit d7af17619983c4cf679abb034469098235e63ad5)

Change-Id: I30ebed5328123629519a64c793f94fc8d5aa09a8

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build