Squash ext-dep-target into gen-inl-files

The check_build_sanity.py target gen-inl-files unites
several generation scripts and gen_ext_deps.py should be
one of them instead of having separate target.
This will reduce CI server load.

Components: Vulkan

VK-GL-CTS Issue: 1340

Change-Id: If2153fcbc9cb779bdb86934c0a3c8a6b260e6a5f
diff --git a/scripts/check_build_sanity.py b/scripts/check_build_sanity.py
index 10bed1d..621b9bd 100644
--- a/scripts/check_build_sanity.py
+++ b/scripts/check_build_sanity.py
@@ -190,10 +190,8 @@
 			RunScript(os.path.join("scripts", "opengl", "gen_all.py")),
 			RunScript(os.path.join("external", "vulkancts", "scripts", "gen_framework.py")),
 			RunScript(os.path.join("external", "vulkancts", "scripts", "gen_framework_c.py")),
-			RunScript(os.path.join("scripts", "gen_android_mk.py")),
-		]),
-	('gen-ext-deps', [
-			RunScript(os.path.join("external", "vulkancts", "scripts", "gen_ext_deps.py"))
+			RunScript(os.path.join("external", "vulkancts", "scripts", "gen_ext_deps.py")),
+			RunScript(os.path.join("scripts", "gen_android_mk.py"))
 		]),
 ]