Revert "apex: skip symbol files when replaced with prebuilt"

This reverts commit 9551384f65.

5bedfee448 is a better solution for the
same problem.

Bug: 279247159
Test: m checkbuild (presubmit)
Change-Id: Ifd3117a4450b5275c09258d1ce896adb41a75158

apex/builder.go

@@ -468,10 +468,6 @@ func (a *apexBundle) buildUnflattenedApex(ctx android.ModuleContext) {
 	imageDir := android.PathForModuleOut(ctx, "image"+suffix)
 
 	installSymbolFiles := (!ctx.Config().KatiEnabled() || a.ExportedToMake()) && a.installable()
-	// We can't install symbol files when prebuilt is used.
-	if a.IsReplacedByPrebuilt() {
-		installSymbolFiles = false
-	}
 
 	// set of dependency module:location mappings
 	installMapSet := make(map[string]bool)