android: custom serial number patterns

Change-Id: I2723f2b50caaaf805b7e2a5e0a148a93019164bc
bbb: use default testboot_offset value

Change-Id: If1cb93c8950349d294e9177b000ccaba8748a9f6
d01: add proper boot_option stanza to device-type config

Change-Id: Iaf77a27d311a50d6b541b6e8f81483cd6018c691
Retry dependency installation if it does fail

Change-Id: I8989028a882ed631eafea58f7360ddb2d55b0248
fastboot: retry boot and deployment steps

Change-Id: I654f31aa0c7e51549e92eb4c2642b15e691814cc
fastboot: check for connection status in _enter_fastboot

Change-Id: I1f6583cc356a5f0ba523887b1495999a3f532f27