Merge "Use openPipeHelper() for streaming IconsContentProvider data." into rvc-dev am: 100ae78d72 am: 7378cf38ba am: 2365d61a53

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12000566

Change-Id: I29bebb557acf5d2885ee6c4975b2413a471b4cba