Merge "Use string.Builder" into main am: 21b19f9c am: eca25823 am:...

Merge "Use string.Builder" into main am: 21b19f9c am: eca25823 am: 717db5d2 am: 8d143f62 am: c988a862

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2696071



Change-Id: I4f3e5fa271a9d28e10a6e9ef2b425edcd8a89520
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>