Convert aapt to Soong

See build/soong/README.md for more information.

Test: cd frameworks/base/tools/aapt; mma
Test: aapt version
Change-Id: Ice97e9b32c53cfed30d68acd5717d8c66712df4c
diff --git a/tools/aapt/Android.bp b/tools/aapt/Android.bp
index e26c9c3..a594e5b 100644
--- a/tools/aapt/Android.bp
+++ b/tools/aapt/Android.bp
@@ -99,6 +99,17 @@
 }
 
 // ==========================================================
+// Build the host executable: aapt
+// ==========================================================
+cc_binary_host {
+    name: "aapt",
+    defaults: ["aapt_defaults"],
+    srcs: ["Main.cpp"],
+    use_version_lib: true,
+    static_libs: ["libaapt"],
+}
+
+// ==========================================================
 // Build the host tests: libaapt_tests
 // ==========================================================
 cc_test_host {