Merge "Revert^2 "rustc-1.78.0 Build 11910258"" into main am: eedaacbf74 am: 1324f78dc4

Original change: https://android-review.googlesource.com/c/platform/prebuilts/rust/+/3118247

Change-Id: Ibbf74a77d1a89fd4ace2c3b7a66f8e0c7de06b40
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>