Revert "APK-in-APEX should set use_embedded_native_libs: true"

Revert submission 3088867

Reason for revert: On cf_auto build, we are seeing a symlink of jni lib pointing to lib64/libcarservicejni.so, which does not exist on the device.

Reverted changes: /q/submissionid:3088867
Bug: b/341335305

Change-Id: I3064caef0cb55d1594951835a1173c667f58e607

apex/apex_test.go

@@ -5908,7 +5908,6 @@ func TestApexWithApps(t *testing.T) {
 			srcs: ["foo/bar/MyClass.java"],
 			sdk_version: "current",
 			system_modules: "none",
-			use_embedded_native_libs: true,
 			jni_libs: ["libjni"],
 			stl: "none",
 			apex_available: [ "myapex" ],