make current and previous build ID part of device config

Previous build ID is useful when doing comparisons.

config/device/common/gen4pixel.yml

@@ -5,6 +5,10 @@ platform:
 includes:
   - pixel.yml
 
+device:
+  build_id: TP1A.221005.002.B2
+  prev_build_id: TP1A.221005.002
+
 filters:
   files:
     match:

config/device/common/pixel.yml

@@ -1,11 +1,13 @@
-device:
-  vendor: google_devices
-
 includes:
   - file-removal.yml
   - overlay-removal.yml
   - removal.yml
 
+device:
+  vendor: google_devices
+  build_id: TQ3A.230805.001
+  prev_build_id: TQ3A.230705.001
+
 platform:
   sepolicy_dirs:
     - hardware/google/pixel-sepolicy

config/device/felix.yml

@@ -1,5 +1,7 @@
 device:
   name: felix
+  build_id: TQ3C.230805.001.A3
+  prev_build_id: TQ3C.230705.001.C1
 
 platform:
   product_makefile: device/google/felix/aosp_felix.mk

config/device/tangorpro.yml

@@ -1,5 +1,7 @@
 device:
   name: tangorpro
+  build_id: TQ3A.230805.001.B1
+  prev_build_id: TQ3A.230705.001.B4
 
 platform:
   product_makefile: device/google/tangorpro/aosp_tangorpro.mk

src/config/device.ts

@@ -20,6 +20,8 @@ export interface DeviceConfig {
   device: {
     name: string
     vendor: string
+    build_id: string
+    prev_build_id: string
   }
 
   platform: {