NDK API coverage

Update the gen_ndk_usedby_apex.sh script to generate NDK API list with
library name.

Test: TARGET_BUILD_APPS=com.android.adbd m dist apps_only

Change-Id: I799e03ad7d81a4184229f658fd6c8824b9ba6e1f

scripts/gen_ndk_usedby_apex.sh

@@ -33,7 +33,7 @@ parseReadelfOutput() {
   do
       if [[ $line = *FUNC*GLOBAL*UND*@* ]] ;
       then
-          echo "$line" | sed -r 's/.*UND (.*)@.*/\1/g' >> "$2"
+          echo "$line" | sed -r 's/.*UND (.*@.*)/\1/g' >> "$2"
       fi
   done < "$1"
   echo "" >> "$2"