Update Gfxstream to 6899566

... to include updates needed for running Cuttlefish
with ANGLE as GL driver and Gfxstream as VK driver.

Generated via

    ./generate-gfxstream-manifest.sh 6899566 manifest.xml
    cd $ANDROID_BUILD_TOP
    ./device/google/cuttlefish_vmm/rebuild.sh --docker --docker_arch x86_64
   chmod +x x86_64-linux-gnu/bin/*.so

Bug: b/165022040
Test: launch_cvd --gpu_mode=gfxstream
Change-Id: Ic2d102690637a244530bcd9df18789d293737265
7 files changed