Fix strip_prefix flags to strip install paths.

Bug: 235331488

Test: m droid dist

Change-Id: I3cd2af5d90e46a4c983728bc9b2d941d6ffda229

android/gen_notice.go

@@ -67,7 +67,12 @@ func (s *genNoticeBuildRules) GenerateBuildActions(ctx SingletonContext) {
 		if ctx.Failed() {
 			return
 		}
-		out(ctx, gm.output, ctx.ModuleName(gm), proptools.StringDefault(gm.properties.ArtifactName, defaultName), "", modules...)
+		out(ctx, gm.output, ctx.ModuleName(gm),
+			proptools.StringDefault(gm.properties.ArtifactName, defaultName),
+			[]string{
+				ctx.Config().OutDir() + "/",
+				ctx.Config().SoongOutDir() + "/",
+			}, modules...)
 	})
 }