Merge "String8: fix infinite loop and segmentation fault in removeAll()" into...

Merge "String8: fix infinite loop and segmentation fault in removeAll()" into main am: 4a33c22c am: 339fecf7 am: e9f38cfe

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2659075



Change-Id: I4e01a5b5738ce5e5af1d8e75d3b77695ce031bcc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>