Add overlays

* Use a high priority to override other rro overlays

overlay/build_overlays.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+GARCH=$1
+GOUT=$2
+
+SCRIPT_DIR=$(dirname "$0")
+cd "$SCRIPT_DIR"
+
+OVERLAYS=$(for dir in $(ls -d */); do echo ${dir%%/}; done)
+
+croot 2>/dev/null || cd ../../../
+
+source build/envsetup.sh
+breakfast gapps_$GARCH
+m installclean
+m $OVERLAYS | tee $OUT/.log
+
+LOC="$(cat $OUT/.log | sed -r -e 's/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g' -e 's/^\[ {0,2}[0-9]{1,3}% [0-9]{1,6}\/[0-9]{1,6}\] +//' \
+            | grep '^Install: ' | cut -d ':' -f 2)"
+RELOUT=$(echo $OUT | sed "s#^${ANDROID_BUILD_TOP}/##")
+FILES=$(echo $LOC | tr " " "\n" | sed "s#.*${RELOUT}##" | sort | uniq)
+
+for TARGET in $FILES; do
+    mkdir -p $(dirname $GOUT/$TARGET) && cp $OUT/$TARGET $GOUT/$TARGET
+done