Merge "[SparseSetArray] optimize copy constructor" into tm-dev am: 79286a97...

Merge "[SparseSetArray] optimize copy constructor" into tm-dev am: 79286a97 am: d014ec92 am: 09bee47d am: 793e90a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18415062



Change-Id: Ic22d7e06fa537c359eec8a6cb7427c3fa01528e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>