Disable backup soSource when the app supports direct load
Disable backup soSource when the app supports direct load

Summary: Use `isSupportedDirectLoad` instead of `isDisabledExtractNativeLibs` as the condition for disabling the backup soSource. It covers the system app without `android:extractNativeLibs == false` in manifest.

Reviewed By: charles011

Differential Revision: D33701254

fbshipit-source-id: 4546c99213b1e62624716738673eb3fe6513983b

facebook/SoLoader,facebook/SoLoader,facebook/SoLoader