Move the Reactor 'Sample' unit test back to the top
Move the Reactor 'Sample' unit test back to the top

Made 'Sample' come first again and thereby made it easier to use for
quick experiments and smoke testing.

Bug: b/156739423
Change-Id: Ic821aba66afbac97556b072750e24747af1010de
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/45208
Presubmit-Ready: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Tested-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Reviewed-by: Antonio Maiorano <86d87a6550afb6b07035c9743fa181900589f7e0@google.com>
Kokoro-Result: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>

google/swiftshader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader