Ability to generate SDK system-images for arm64 and x86_64

(Cherry-picked from 40c7126e7cfe4680cadd11b90774f9996a8e2d37)

Change-Id: I2715a668271ed88fcd0c8c97ac35d05fcdd34a06
Move the panorama benchmark from packages/apps/Camera to here.

Also cut unnecessary dependencies on other parts of Android and build
staticly linked binaries so that the benchmark can be run on barebone
systems.

Change-Id: I69ea59c677c750d1982389dd62a6a74e4719d547
Merge "Move the panorama benchmark from packages/apps/Camera to here."
Merge "Ability to generate SDK system-images for arm64 and x86_64"
auto-merger: merge in from aosp/master