Merge tag 'android-5.0.0_r7' into lolli

Android 5.0.0 release 7


Former-commit-id: 10ff38970144f8e7c85266e3d06edf32dfdcd4ca
Add downloader of proprietary data


Former-commit-id: e9e5f7602b6a4339c7c36abf785197358540db84
Add user to buildtype


Former-commit-id: aafb3cc5d4f2fc6bc74199ad8c4aad6663a04cac
Add makefiles of device/aosp and vendor/aosp


Former-commit-id: 53769926e45b5e31515ae83867e59eb7ff117de9
Change PRODUCT_BRAND and PRODUCT_MODEL for products


Former-commit-id: c5a8b526f58bc87317335ef46d15966294c6ca1c
Define PRODUCT_BUILD_PROP_OVERRIDES of Factory Image(Android4.4)


Former-commit-id: 5594d8c77bade4bdc278c94fdfa12f4d2f724eb6
Add the definition of AOSP build


Former-commit-id: f1c944ba338ce98867cfab5aeaa1d6b27fec7d75
Update Android 5.0 (LRX21P)


Former-commit-id: 3366f6893b9d8b8aef2977f074247c237742bbb5
Change to the build system of jcrom


Former-commit-id: 7d0e3ad1ff5f4061d342c312c23bf0edc28cb285
Add makefiles of jcrom


Former-commit-id: 7d4b700de2f70285e213bc3335a0664182c2aaeb