Upgrade tinyvec to 1.6.0 am: ceb662cbb2 am: 31d99591ee am: 1cef3f599c

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

Change-Id: I635b1e393b9e54846c2d6e92d839e2f26e422a9c
Signed-off-by: Automerger Merge Worker <[email protected]>