Upgrade tinyvec to 1.6.0 am: ceb662cbb2 am: 31d99591ee

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/tinyvec/+/2362484

Change-Id: I791c8d0c3d15874d2e7ab819d02f16e108e0b7b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>