Make GN Android build link executables

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 28967dbf617eaeb1f1b4e6dc02c867f0c888d7a1..c09946b139b52621c944dc66d172103cc7614eb1 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -714,11 +714,41 @@ component("base") {
   ]
 
   if (is_android) {
+    sources += [
+       "memory/discardable_memory_ashmem_allocator.cc",
+       "memory/discardable_memory_ashmem_allocator.h",
+       "memory/discardable_memory_ashmem.cc",
+       "memory/discardable_memory_ashmem.h",
+    ]
+    sources -= [
+      "base_paths_posix.cc",
+      "power_monitor/power_monitor_device_source_posix.cc",
+    ]
+
+    # Android uses some Linux sources, put those back.
+    set_sources_assignment_filter([])
+    sources += [
+      "debug/proc_maps_linux.cc",
+      "files/file_path_watcher_linux.cc",
+      "process/memory_linux.cc",
+      "process/internal_linux.cc",
+      "process/process_handle_linux.cc",
+      "process/process_iterator_linux.cc",
+      "process/process_metrics_linux.cc",
+      "posix/unix_domain_socket_linux.cc",
+      "sys_info_linux.cc",
+    ]
+    set_sources_assignment_filter(sources_assignment_filter)
+
     deps += [
       ":base_jni_headers",
+      "//third_party/ashmem",
       "//third_party/android_tools:cpu_features"
     ]
 
+    # logging.cc uses the Android logging library.
+    libs = [ "log" ]
+
     sources -= [
       "debug/stack_trace_posix.cc",
     ]
@@ -799,15 +829,13 @@ component("base") {
     configs += linux_configs
     all_dependent_configs = linux_configs
 
-    if (!is_android) {
-      # These dependencies are not required on Android, and in the case
-      # of xdg_mime must be excluded due to licensing restrictions.
-      deps += [
-        "//base/third_party/symbolize",
-        "//base/third_party/xdg_mime",
-        "//base/third_party/xdg_user_dirs",
-      ]
-    }
+    # These dependencies are not required on Android, and in the case
+    # of xdg_mime must be excluded due to licensing restrictions.
+    deps += [
+      "//base/third_party/symbolize",
+      "//base/third_party/xdg_mime",
+      "//base/third_party/xdg_user_dirs",
+    ]
   } else {
     # Non-Linux.
     sources -= [