stagefright: don't fail MediaCodec.configure if clients use store-meta key

Even though storing metadata is not supported in MediaCodec.configure and
is only meant to be used by Stagefright recorder, don't fail configure.

Bug: 31986922
Change-Id: Id9f083be6e857e7a0d8d4a74159be5b8894e28be
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index d25e99d..43908f8 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -1665,7 +1665,10 @@
             ALOGE("[%s] storeMetaDataInBuffers (input) failed w/ err %d",
                     mComponentName.c_str(), err);
-            return err;
+            if (mOMX->livesLocally(mNode, getpid())) {
+                return err;
+            }
+            ALOGI("ignoring failure to use internal MediaCodec key.");
         // For this specific case we could be using camera source even if storeMetaDataInBuffers
         // returns Gralloc source. Pretend that we are; this will force us to use nBufferSize.