Update manifest merger to 31.9.0-alpha03 am: 27d32dc537 am: 3666805be6 Original change: https://android-review.googlesource.com/c/platform/prebuilts/manifest-merger/+/3378551 Change-Id: I943d98563e3f1c2e18561e8fdbbf56c13a6ce55e Signed-off-by: Automerger Merge Worker <[email protected]>