Merge "support toggling compare mode for rbe actions" into main am: f76b3267d5

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2796314

Change-Id: Ica21f1662bc955f1030cf6e6775d976a4c2a4419
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

java/droidstubs.go

@@ -19,6 +19,7 @@ import (
 	"path/filepath"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
 
 	"github.com/google/blueprint/proptools"
@@ -497,6 +498,7 @@ func metalavaCmd(ctx android.ModuleContext, rule *android.RuleBuilder, javaVersi
 	if metalavaUseRbe(ctx) {
 		rule.Remoteable(android.RemoteRuleSupports{RBE: true})
 		execStrategy := ctx.Config().GetenvWithDefault("RBE_METALAVA_EXEC_STRATEGY", remoteexec.LocalExecStrategy)
+		compare, _ := strconv.ParseBool(ctx.Config().GetenvWithDefault("RBE_METALAVA_COMPARE", "false"))
 		labels := map[string]string{"type": "tool", "name": "metalava"}
 		// TODO: metalava pool rejects these jobs
 		pool := ctx.Config().GetenvWithDefault("RBE_METALAVA_POOL", "java16")
@@ -505,6 +507,9 @@ func metalavaCmd(ctx android.ModuleContext, rule *android.RuleBuilder, javaVersi
 			ExecStrategy:    execStrategy,
 			ToolchainInputs: []string{config.JavaCmd(ctx).String()},
 			Platform:        map[string]string{remoteexec.PoolKey: pool},
+			Compare:         compare,
+			NumLocalRuns:    1,
+			NumRemoteRuns:   1,
 		})
 	}