Merge "Update mainline prebuilts to build 7876847." am: 120df47453 am: 9ce599f16d am: 9b31999048 am: 7eb65e63d3 am: 328b65bf7c

Original change: https://android-review.googlesource.com/c/platform/prebuilts/runtime/+/1879504

Change-Id: Iacc1fd53ef82cdb55932a33f7184fbef95bc476a