Add script needed to create build directory.
Update default.xml
Switch ril to aosp source

Change-Id: Ie747311af463865316b4d35da95f6821c54d7f0e
Switch wlan to aosp source

Change-Id: If275526d8d3af57ad2e753cb40e736eb4d429091
Switch broadcom/wlan with aosp source

Change-Id: Ib76ab702911c5e31ba167a4cd6edd6559b2df030
Switch libbt with aosp source

Change-Id: I55bdd2d38e3b4600679f4a639a3cadd148669e7e
Switch bt to aosp source

Change-Id: Ie5236d6afca73931eb4990410874edd0e32871e3
Switch bionic to aosp source

Change-Id: I7744eb22460992b83dd544721776476e97a00604
Switch busybox to aosp source

Change-Id: Iaa9e2b10e7debdcc1556a2f91ccef039f2d4244b
Switch chromium org to aosp source

Change-Id: Iaee45c2472e35168a1238416a519c2b4f88cb2e1
Switch busybox back

Change-Id: I885b3ff727705ce64d1ad91b76d839420973ba96
Switch external clang to aosp source

Change-Id: I524f1d6eeab93cc6477c380cb69114ed4fdd8035
Switch e2fsprogs to aosp source

Change-Id: Ibb7faf20e09b9676573555414e26485a451924ae
Switch exfat with aosp source

Change-Id: I159b380164560ca9ff0083d329b7d57b151fe777
Switch msdos with aosp source

Change-Id: I621504bc28ddd24297d6696ddac6497f91894853
Switch fuse to aosp source

Change-Id: I54e4c396e26cd3a08b6fa1cb76d1d4aa6478984a
Switch icu4c to aosp source

Change-Id: Ib31f25c12b93cee115545cf2159c93eaf6164bcc
Switch exfat back due to sync errors

Change-Id: I736717401744ec1476b9d5ca8c6710c41b02930d
Switch fuse back due to sync error

Change-Id: If26c016149c63d535b9e78feb376e02ed8fae1c3
Switch icu4c back due to sync error

Change-Id: Ib7a6587bd796f6234b1b4edb202d776f9c84d491