Add DeviceConfig and OncePer objects

Add DeviceConfig to store per-device configuration information.  Put a
OncePer object inside Config and DeviceConfig, which computes a value
once per key per object to allow build logic to store arbitrary
per-build or per-device computed values.

Change-Id: I1a38b426f29d223ef5e803e0d4d9604500de2fd2

1 files changed, 1 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index eb70cc1f..bb9ab74c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -100,6 +100,7 @@ bootstrap_go_package {
         "android/makevars.go",
         "android/module.go",
         "android/mutator.go",
+        "android/onceper.go",
         "android/package_ctx.go",
         "android/paths.go",
         "android/util.go",