Merge "Add cargo2android.json." into main am: 72feaed978 am: a2b1a0037f am: 175cf5af94 am: 46cc68c5c6

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/tracing-attributes/+/2776315

Change-Id: I4733fbff14e3c184282a6c11503937b9a13e2d0a
Signed-off-by: Automerger Merge Worker <[email protected]>