Merge "Consume consecutive delimiters at beginning of refilled buffer" into main am: f4d84e1a29 am: 959cc55b11

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3073613

Change-Id: I3740ac8613eaf4ec3a3638a10bbf2d65a18786ee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>