Merge "Allow hiddenapi list to ignore missing classes/members" am: 9e4a27840b

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1747553

Change-Id: I139cd63e4ec08ccf6ee6e6067c1768ce67a408b4

java/hiddenapi_modular.go

@@ -316,6 +316,13 @@ func buildRuleToGenerateHiddenAPIStubFlagsFile(ctx android.BuilderContext, name,
 		FlagForEachInput("--dependency-stub-dex=", dependencyStubDexJars).
 		FlagForEachInput("--boot-dex=", bootDexJars)
 
+	// If no module stub flags paths are provided then this must be being called for a
+	// bootclasspath_fragment and not the whole platform_bootclasspath.
+	if moduleStubFlagsPaths == nil {
+		// This is being run on a fragment of the bootclasspath.
+		command.Flag("--fragment")
+	}
+
 	// Iterate over the api scopes in a fixed order.
 	for _, apiScope := range hiddenAPIFlagScopes {
 		// Merge in the stub dex jar paths for this api scope from the fragments on which it depends.