Merge "Expose 'ParcelableHolder' as SystemApi" am: 135efb0b73 am: 5e1cacaa28 am: d5bae241d4 am: 0522a33e24

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1458065

Change-Id: Ic28ef16a1e1d08db0f2ea6c735295d748b3f8a89