emulator: Add proto for 12l foldable landscape AVD creation

Add proto for foldable landscape AVD creation.
Also update the emulator & system image version for foldable AVD.
Tested that avd created successfully with command
./tools/android/avd/avd.py create -v --avd-config \
~/clankium/src/tools/android/avd/proto/creation/android_32_google_apis_x64_foldable_landscape.textpb \
--snapshot --force --keep --dry-run

and can start using below command
./tools/android/avd/avd.py start -v --avd-config \
~/clankium/src/tools/android/avd/proto/creation/android_32_google_apis_x64_foldable_landscape.textpb

Bug: 351944004
Change-Id: I28ee9edff3808ea19e3bcec6b6d8235a728f5495
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5687218
Commit-Queue: Renuga Nanjappan <rnanjappan@chromium.org>
Reviewed-by: Haiyang Pan <hypan@google.com>
Cr-Commit-Position: refs/heads/main@{#1325844}
NOKEYCHECK=True
GitOrigin-RevId: d878b71934b91485ab9486a5a14c2bab53a72f65
2 files changed