Revert "Mark libdng_sdk as double_loadable"

This reverts commit 79287a8b67b6bc3ba3ec64dc2e87a10700fa319c.

Reason for revert: libdng_sdk is no longer used by libmediandk(aosp/918473).

Exempt-From-Owner-Approval: revert
Change-Id: I27fe936681c73c54211515e00636488db4491f23
diff --git a/Android.bp b/Android.bp
index 36b07ca..c7215e1 100644
--- a/Android.bp
+++ b/Android.bp
@@ -103,7 +103,6 @@
     name: "libdng_sdk",
     host_supported: true,
     vendor_available: true,
-    double_loadable: true,
     defaults: ["libdng_sdk-defaults"],
 
     cflags: ["-DqDNGValidate=0"],