Merge branch android-3.10 into android-tegra-3.10

ed0b9b4 USB: fix undeclared hub_release error in x86 build
1011d99 inet: fix addr_len/msg->msg_namelen assignment in recv_error and rxpmtu functions
b1576ab ping: prevent NULL pointer dereference on write to msg_name
1ad7f4b inet: prevent leakage of uninitialized memory to user in recv syscalls
a425165 Revert "ping: prevent NULL pointer dereference on write to msg_name"

Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 28347599
Change-Id: I7bb9b9e598ae157c6246c4f4419ca6aa74d0d7f8