LLNDK version maps to NDK version

Instead of annotation duplicate LLNDK versions, use a corresponding
NDK version to find LLNDK symbols.
To generate LLNDK stubs, ndkstubgen sets `--llndk` argument with the
corresponding SDK version to its `--api` argument.

Bug: 361077712
Test: atest test_ndkstubgen
      atest test_symbolfile
Change-Id: I64cd6eaeae4451326bf2e74b4d2639933f004393
diff --git a/android/test_config.go b/android/test_config.go
index f251038..3609e6b 100644
--- a/android/test_config.go
+++ b/android/test_config.go
@@ -45,6 +45,7 @@
 			Platform_version_active_codenames:   []string{"S", "Tiramisu"},
 			DeviceSystemSdkVersions:             []string{"29", "30", "S"},
 			Platform_systemsdk_versions:         []string{"29", "30", "S", "Tiramisu"},
+			VendorApiLevel:                      stringPtr("202404"),
 			AAPTConfig:                          []string{"normal", "large", "xlarge", "hdpi", "xhdpi", "xxhdpi"},
 			AAPTPreferredConfig:                 stringPtr("xhdpi"),
 			AAPTCharacteristics:                 stringPtr("nosdcard"),