Revert "Make bootclasspath_fragments always perform hidden API processing"

This reverts commit 2b255d7f6b1e50bc92a12e0b8e757c0eda64b173.

Reason for revert: build breakage http://b/192554546

Bug: 179354495
Change-Id: Id758af3f59bc83b02d8af4b1b83b3f279a208595

1 files changed, 19 insertions, 3 deletions

diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index 769e901a7..73dcd1951 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -576,9 +576,25 @@ func (b *BootclasspathFragmentModule) generateHiddenAPIBuildActions(ctx android.
 	// Create hidden API input structure.
 	input := b.createHiddenAPIFlagInput(ctx, contents, fragments)
 
-	// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
-	common := ctx.Module().(commonBootclasspathFragment)
-	output := common.produceHiddenAPIOutput(ctx, contents, input)
+	var output *HiddenAPIOutput
+
+	// Hidden API processing is conditional as a temporary workaround as not all
+	// bootclasspath_fragments provide the appropriate information needed for hidden API processing
+	// which leads to breakages of the build.
+	// TODO(b/179354495): Stop hidden API processing being conditional once all bootclasspath_fragment
+	//  modules have been updated to support it.
+	if input.canPerformHiddenAPIProcessing(ctx, b.properties) {
+		// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
+		common := ctx.Module().(commonBootclasspathFragment)
+		output = common.produceHiddenAPIOutput(ctx, contents, input)
+	} else {
+		// As hidden API processing cannot be performed fall back to trying to retrieve the legacy
+		// encoded boot dex files, i.e. those files encoded by the individual libraries and returned
+		// from the DexJarBuildPath() method.
+		output = &HiddenAPIOutput{
+			EncodedBootDexFilesByModule: retrieveLegacyEncodedBootDexFiles(ctx, contents),
+		}
+	}
 
 	// Initialize a HiddenAPIInfo structure.
 	hiddenAPIInfo := HiddenAPIInfo{