GN: Enable blink and (nearly) all of content in android build

This enables all blink targets and nearly all content targets in the
android build. This produces a content shell APK, but not a fully
operational one yet. This also flips on a bunch of other targets pulled
in by deps.

[email protected]

Review URL: https://codereview.chromium.org/561623002

Cr-Commit-Position: refs/heads/master@{#294247}
diff --git a/content/common/BUILD.gn b/content/common/BUILD.gn
index 51766f1..d3e9124 100644
--- a/content/common/BUILD.gn
+++ b/content/common/BUILD.gn
@@ -106,11 +106,10 @@
       "gpu/client/gpu_memory_buffer_impl_surface_texture.h",
     ]
 
-    # TODO(GYP) enable when these targets are converted.
-    #deps += [
-    #  "//content:content_jni_headers",
-    #  "//content:common_aidl",
-    #]
+    deps += [
+      "//content/public/android:jni",
+      "//content/public/android:common_aidl",
+    ]
 
     libs += [ "android" ]
   }