init: set baseband version by grep'ing the modem partition

* this is ugly...w/e

Change-Id: I941d3cfdd5f163fb79b8233a7196f448111c9329
g3: add bump script

* auto bumps boot and recovery images
* to enable for your variant, set TARGET_REQUIRES_BUMP in BoardConfig

Change-Id: If42fc8f44f63722e61f6e53cd8cf0e6b9416caa1
g3: split mixer_paths for bcm/wcnss

Change-Id: Ic29f8420297f55091736d04cb4dece30ac6cbe4c
(cherry picked from commit 205b4c4078bce0402945fb6a81ef58d2892245df)
g3: add d850, d852, and d855 to build barrier

Change-Id: I54fb9212a1c95ff75af39e34a35aa94e3261a419
(cherry picked from commit 363436fbd59e6308ea59766fb1befd272e780208)
Merge "init: set baseband version by grep'ing the modem partition" into cm-11.0
Merge remote-tracking branch 'upstream/cm-11.0' into kk44

Conflicts:
	bump/bump.py
	mkbootimg.mk