[automerger skipped] Update sysprop_library API txt am: 419b49ade3 am: cd68e11de7 am: 7aff9ded94 am: 32c2d6f36e -s ours

am skip reason: Change-Id I698b55d7b22afed71c94ee18fe76f409abc18baa with SHA-1 2baf3283b2 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1460965

Change-Id: I7ddbccae26856577e878fa9a1eefceea792ea62a