commit 54fd80726760073fbb7483741cf9f3b2fb6d6470
author Mathieu Chartier <mathieuc@google.com> Fri Jul 26 13:50:04 2019 -0700
committer Mathieu Chartier <mathieuc@google.com> Fri Jul 26 13:51:43 2019 -0700
tree 5a837d602591a12ce1e0af9c141c3b48d0a79a4e
parent c89fe6253f67810e4340c595e63fb25c0ff7d09b

Specify boot image format to be lz4hc

Reduce boot image space taken from 28803072B -> 9572352B (-20MB).

No reason to have this be configurable yet.

Test: ls -l $OUT/system/framework/*/apex*.art | awk '{s += $5} END {print s}'
Bug: 77863440

Change-Id: I280b740dfbd001109ce1e288e395595f21567aa6

java/dexpreopt_bootjars.go

diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index 19e92b7..2a142ba 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -298,6 +298,7 @@
 		FlagForEachArg("--dex-location=", image.dexLocations).
 		Flag("--generate-debug-info").
 		Flag("--generate-build-id").
+		Flag("--image-format=lz4hc").
 		FlagWithOutput("--oat-symbols=", symbolsFile).
 		Flag("--strip").
 		FlagWithOutput("--oat-file=", outputPath.ReplaceExtension(ctx, "oat")).