Revert "Use glob for java_sdk_library_import stub_srcs"

This reverts commit 7f97957ded358b555e09dfbd607c99c90f6c935b.

Reason for revert: breaks sdk snapshots b/173508731
Bug: 173508731
Test: Ran prebuilts/runtime/update.py and then m nothing
      Before revert it failed
      After revert it worked

Change-Id: I9c081681fac589e37788a0d592435e3224011c58
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 13cd5f9..4369ffc 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -2300,11 +2300,10 @@
 			scopeSet.AddProperty("jars", jars)
 
 			// Merge the stubs source jar into the snapshot zip so that when it is unpacked
-			// the source files are also unpacked. Use a glob so that if the directory is missing
-			// (because there are no stubs sources for this scope) it will not fail.
+			// the source files are also unpacked.
 			snapshotRelativeDir := filepath.Join(scopeDir, ctx.Name()+"_stub_sources")
 			ctx.SnapshotBuilder().UnzipToSnapshot(properties.StubsSrcJar, snapshotRelativeDir)
-			scopeSet.AddProperty("stub_srcs", []string{snapshotRelativeDir + "/**/*.java"})
+			scopeSet.AddProperty("stub_srcs", []string{snapshotRelativeDir})
 
 			if properties.CurrentApiFile != nil {
 				currentApiSnapshotPath := filepath.Join(scopeDir, ctx.Name()+".txt")