Add openjdk not required info for AOSP 9.0 and above version
Signed-off-by: utzcoz <utzcoz@outlook.com>
diff --git a/Bliss OS/build-guide/index.html b/Bliss OS/build-guide/index.html
index 22244dc..8f3a139 100644
--- a/Bliss OS/build-guide/index.html
+++ b/Bliss OS/build-guide/index.html
@@ -860,6 +860,7 @@
<p>Install OpenJDK:</p>
<pre><code>sudo apt install openjdk-8-jdk
</code></pre>
+<p>From the AOSP 9.0, the AOSP uses the prebuilt JDK in code repository, so it is not required if building system based on AOSP 9.0 and above version.</p>
<h2 id="install-build-tools">Install build tools</h2>
<p>To install the required build tools, run the following command:</p>
<pre><code>sudo apt-get install git-core gnupg flex bison maven gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip squashfs-tools python-mako libssl-dev ninja-build lunzip syslinux syslinux-utils gettext genisoimage gettext bc xorriso libncurses5