Finish bring up

- Build CellBroadcastReceiver
- Replace Launcher2 w/ Launcher3 & remove QuickSearchBox
- add PRODUCT_BUILD_PROP_OVERRIDES
- Remove deprecated Music package
- Remove optional "Home Sample" Launcher

and more...

Change-Id: Ic8f707e7c2f492812648a4a5c3cc0b22af5fbb08
Repopick

augmented for AOSPA-legacy gerrit

History
===
https://github.com/CyanogenMod/android_build/commit/9cfcdb93d9d116f66dee7592cd235ec4ecc07e96
https://github.com/CyanogenMod/android_build/commit/1c86b78faa7282993d840e496076096a05c6965e
https://github.com/CyanogenMod/android_build/commit/0a284d1169fd10d3bb1e0d5a583078b02c54c211
https://github.com/CyanogenMod/android_build/commit/cf36fcb914df1b146539ab9902627a0db487a139
https://github.com/CyanogenMod/android_build/commit/fda9873169b7c77065987da9e0bd4aeaa9b71360
https://github.com/CyanogenMod/android_build/commit/b0e7551b9e93d38260308f07b9f78734d49245af
https://github.com/CyanogenMod/android_build/commit/35e6eae0478fb68faed33362d9272072c96ef33a
https://github.com/CyanogenMod/android_build/commit/dd0f87072e33894ead2774f746378ad5a7cad46c
https://github.com/CyanogenMod/android_build/commit/c8e7ec49626941e1802f908f91fc945ae3e974dd

Change-Id: I483cb36721f31dbf1f67e46cbe8a306b2a9e2c15
Maintenance & fixes

fix print PA_VERSION in build config
fix roomservice
fix repopick

Change-Id: I3cd6a75ff7d747eaba581c1e2c8cea077c2189ef
Use -O3 flag
Update roomservice.py