Add liboemcrypto.so as required by WV APEX

[ Merge of go/wvgerrit/164757 ]

Modify Widevine apex configuration to add add liboemcrypto.so as
required by WV APEX.

Bug: 243699259
Test: atp v2/widevine-eng/drm_compliance
Change-Id: I136dde5d77aed4fb14737e4692153c8f3b2c701b

libwvdrmengine/apex/apex_manifest.json

@@ -1,4 +1,7 @@
 {
     "name": "com.google.android.widevine",
-    "version": 1
+    "version": 1,
+    "requireNativeLibs": [
+        "liboemcrypto.so"
+    ]
 }