Remove unwanted JNI libs outside inflating action.

Take the unwanted JNI lib removal action out of JNI uncompression
function so that they work independently when building prebuilt apks.

Fixes: 180475879
Test: Manually with a test apk.
Change-Id: I7392d0bf4ca7db76f27e883df08f7cb256162440

core/app_prebuilt_internal.mk

@@ -237,6 +237,7 @@ endif
 $(built_module) : $(my_prebuilt_src_file) | $(ZIPALIGN) $(ZIP2ZIP) $(SIGNAPK_JAR)
 	$(transform-prebuilt-to-target)
 	$(uncompress-prebuilt-embedded-jni-libs)
+	$(remove-unwanted-prebuilt-embedded-jni-libs)
 ifeq (true, $(LOCAL_UNCOMPRESS_DEX))
 	$(uncompress-dexs)
 endif  # LOCAL_UNCOMPRESS_DEX

core/definitions.mk

@@ -2396,14 +2396,19 @@ endef
 #
 define uncompress-prebuilt-embedded-jni-libs
   if (zipinfo $@ 'lib/*.so' 2>/dev/null | grep -v ' stor ' >/dev/null) ; then \
-    $(ZIP2ZIP) -i $@ -o $@.tmp -0 'lib/**/*.so' \
-      $(if $(PRIVATE_EMBEDDED_JNI_LIBS), \
-        -x 'lib/**/*.so' \
-        $(addprefix -X ,$(PRIVATE_EMBEDDED_JNI_LIBS))) && \
-    mv -f $@.tmp $@ ; \
+    $(ZIP2ZIP) -i $@ -o $@.tmp -0 'lib/**/*.so' && mv -f $@.tmp $@ ; \
   fi
 endef
 
+# Remove unwanted shared JNI libraries embedded in an apk.
+#
+define remove-unwanted-prebuilt-embedded-jni-libs
+  $(if $(PRIVATE_EMBEDDED_JNI_LIBS), \
+    $(ZIP2ZIP) -i $@ -o $@.tmp \
+      -x 'lib/**/*.so' $(addprefix -X ,$(PRIVATE_EMBEDDED_JNI_LIBS)) && \
+    mv -f $@.tmp $@)
+endef
+
 # TODO(joeo): If we can ever upgrade to post 3.81 make and get the
 # new prebuilt rules to work, we should change this to copy the
 # resources to the out directory and then copy the resources.