Add header file installation tips for building skia

No-Try: true
Docs-Preview: https://skia.org/?cl=105540
Bug: skia:
Change-Id: I5d83eeb4ba7faf9c2964c91d39d51b3a8efd14a4
Reviewed-on: https://skia-review.googlesource.com/105540
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
diff --git a/tools/install_dependencies.sh b/tools/install_dependencies.sh
index 9d1a45f..0cf879e 100755
--- a/tools/install_dependencies.sh
+++ b/tools/install_dependencies.sh
@@ -23,15 +23,16 @@
 
 if command -v lsb_release > /dev/null ; then
     case $(lsb_release -i -s) in
-        Ubuntu)
+        Ubuntu|Debian)
             PACKAGES=$(cat<<-EOF
 		build-essential
 		freeglut3-dev
 		libfontconfig-dev
 		libfreetype6-dev
 		libgif-dev
+		libgl1-mesa-dev
 		libglu1-mesa-dev
-		libpng12-dev
+		libpng-dev
 		libqt4-dev
 		EOF
             )