Update notes for submitted changes

* generic_x86: toggle 64bit binder ABI
Update notes for submitted changes

* Move qemud and /dev/qemu policy bits to emulator-specific sepolicy.
Update notes for submitted changes

* Generate .pb.cc/.pb.h to arch-neutral generated_sources_dir
Update notes for submitted changes

* Take libcore off the LP64 blacklist.
Update notes for submitted changes

* Remove external/wpa_supplicant_8 and external/android-clat
Update notes for submitted changes

* oprofile/daemon doesn't build for x86_64.
Update notes for submitted changes

* Fix prebuilt library dependency for multilib build
Update notes for submitted changes

* Allow LOCAL_LDFLAGS to override HOST_GLOBAL_LDFLAGS.
Update notes for submitted changes

* Conditionally include the 'samplecode' rules.
Update notes for submitted changes

* Add policy for MIPS emulator, fix x86 policy.
Update notes for submitted changes

* Remove external/tcpdump from 64-bit build blacklist.
Update notes for submitted changes

* Include privileged apps with app zip file.
Update notes for submitted changes

* DO NOT MERGE: Fix aosp 64bit build. tcpdump+64bit=bad
Update notes for submitted changes

* build: add logd
Update notes for submitted changes

* Revert "generic_x86: toggle 64bit binder ABI"
Update notes for submitted changes

* DO NOT MERGE: Revert the revert now that tcpdump+64bit=ok
Update notes for submitted changes

* Select src arch for prebuilts.