Merge "Remove mode to convert legacy cargo2android.json." into main am: d93d7a6e5a am: 620d282506 am: bb5ee3e27d

Original change: https://android-review.googlesource.com/c/platform/development/+/2880960

Change-Id: Iafdc0592233cfc01973da8302e29f89aa550f9fd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>