[automerger skipped] Update kernel to builds 6508545 am: a7030b0263 -s ours am: dd9f2e9f50 -s ours

am skip reason: Change-Id Ib3827c30f7499fe277d168c6556b3a6903aa00cd with SHA-1 fd08d3aa39 is in history

Change-Id: I195f14217fc4a4955b9f632bf520e819d58ff19a