Refer to http://source.android.com/source/downloading.html
$ repo init -u https://android.googlesource.com/platform/manifest --depth=1 -b android-14.0.0_r37
$ git clone https://github.com/yashlearnpython/local_manifests .repo/local_manifests -b wave
$ repo syncUse -j[n] option on sync & build steps, if build host has a good number of CPU cores.