[automerger skipped] Increase GF dynamic partition size to 8G am: 293d3adb -s ours

am skip reason: Merged-In Ib08ee42e76a91b1c61c1b870f890dba66ed61209 with SHA-1 bb8e6f5b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/20480586



Change-Id: I065cfa9bf81a04a1b180c607d2dcc3bb98ab8807
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>