Add more missing libc++ includes am: 5116f335f2

Original change: https://android-review.googlesource.com/c/platform/frameworks/minikin/+/2941045

Change-Id: I952d74a1364d8cd4de45c8d9e1e9bb65416cdbfe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>