SkQP: slim deps.  Also skia_enable_fontmgr_empty

Change-Id: I24ee2fb3a4a4ca03a60ee2f1a90e022825eee409
Reviewed-on: https://skia-review.googlesource.com/101820
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/tools/skqp/generate_gn_args b/tools/skqp/generate_gn_args
index cead415..7031414 100755
--- a/tools/skqp/generate_gn_args
+++ b/tools/skqp/generate_gn_args
@@ -7,12 +7,21 @@
 import os
 import sys
 
-fmt = '''ndk = "{ndk}"
-ndk_api = 26
-target_cpu = "{arch}"
-skia_embed_resources = true
-is_debug = false
-skia_enable_pdf = false
+fmt = '''
+target_cpu                = "{arch}"
+is_debug                  = false
+ndk                       = "{ndk}"
+ndk_api                   = 26
+skia_embed_resources      = true
+skia_enable_fontmgr_empty = true
+skia_enable_pdf           = false
+skia_use_dng_sdk          = false
+skia_use_expat            = false
+skia_use_icu              = false
+skia_use_libheif          = false
+skia_use_lua              = false
+skia_use_piex             = false
+skia_use_skcms            = false
 '''
 
 def make_args_gn(out_dir, ndk, arch):