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

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



Change-Id: Ib9b22b342289a1f98bac979d0a9218ca697773d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>