Add --no-compile-sdk-metadata switch to AAPT2

This switch suppresses output of compile SDK-related attributes
in AndroidManifest.xml, including android:compileSdkVersion and
platformBuildVersion.

Fixes: 278115511
Test: ManifestFixer_test
Merged-In: I552e50802a328c2318c9f261e30beadcbca5fd29
Change-Id: I552e50802a328c2318c9f261e30beadcbca5fd29
diff --git a/tools/aapt2/link/ManifestFixer.cpp b/tools/aapt2/link/ManifestFixer.cpp
index 4219191..f8e7347 100644
--- a/tools/aapt2/link/ManifestFixer.cpp
+++ b/tools/aapt2/link/ManifestFixer.cpp
@@ -635,7 +635,7 @@
     root->InsertChild(0, std::move(uses_sdk));
   }
 
-  if (options_.compile_sdk_version) {
+  if (!options_.no_compile_sdk_metadata && options_.compile_sdk_version) {
     xml::Attribute* attr = root->FindOrCreateAttribute(xml::kSchemaAndroid, "compileSdkVersion");
 
     // Make sure we un-compile the value if it was set to something else.
@@ -647,10 +647,9 @@
     // Make sure we un-compile the value if it was set to something else.
     attr->compiled_value = {};
     attr->value = options_.compile_sdk_version.value();
-
   }
 
-  if (options_.compile_sdk_version_codename) {
+  if (!options_.no_compile_sdk_metadata && options_.compile_sdk_version_codename) {
     xml::Attribute* attr =
         root->FindOrCreateAttribute(xml::kSchemaAndroid, "compileSdkVersionCodename");