We now have an up-to-date third_party/PowerVR_Examples submodule for
these sample applications.

Bug: b/141361933
Change-Id: I216b94d0c3263bf85a6b0a7fca52a2e5b7beefa2
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/43190
Presubmit-Ready: Nicolas Capens <nicolascapens@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>