Reland "Gyp file changes for the android framework."

gyp/pdf.gyp

Index: gyp/pdf.gyp
diff --git a/gyp/pdf.gyp b/gyp/pdf.gyp
index 8281732056f25e6fe51dbb806b9cf4fc0c671279..145dc5b72217ad85cbda64ce3f3e60e849695313 100644
--- a/gyp/pdf.gyp
+++ b/gyp/pdf.gyp
@@ -1,3 +1,4 @@
+# This file builds the PDF backend.
 {
   'targets': [
     {
@@ -23,6 +24,20 @@
 
         '../src/doc/SkDocument_PDF.cpp', # Chromium does use this file
       ],
+      'conditions': [
+        [ 'skia_android_framework', {
+            # Add SFTNLY support for PDF (which in turns depends on ICU)
+            'include_dirs': [
+              'external/sfntly/cpp/src',
+            ],
+            'libraries': [
+              'libsfntly.a',
+              '-licuuc',
+              '-licui18n',
+            ],
+          }
+        ],
+      ],
       # This section makes all targets that depend on this target
       # #define SK_SUPPORT_PDF and have access to the pdf header files.
       'direct_dependent_settings': {