Add rustc_1_57 feature to tinyvec am: fbe18b59cf am: 52793f032f am: 2c1fef0e97

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/tinyvec/+/2880490

Change-Id: Ic6a1b1a1145b51778630723ec0e86068038eab2b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>