Revert "libandroidfw hardening for IncFs"

Revert "Move map_ptr to incfs namspace"

Revert submission 12787270

Reason for revert: b/173250495
Reverted Changes:
I5cd1bc8a2:libandroidfw hardening for IncFs
Ice5dbcfb2:Move map_ptr to incfs namspace
I29ccdc8ed:Do not cache bag parent stack until requested
I1e9e9acaa:Cache resolved theme values

Change-Id: Ib90ef68339710086df41e9abe0833a542d03a74f
diff --git a/tools/split-select/Main.cpp b/tools/split-select/Main.cpp
index e6966db..d3eb012 100644
--- a/tools/split-select/Main.cpp
+++ b/tools/split-select/Main.cpp
@@ -182,18 +182,14 @@
                 if (type >= Res_value::TYPE_FIRST_INT && type <= Res_value::TYPE_LAST_INT) {
                     outInfo.minSdkVersion = xml.getAttributeData(idx);
                 } else if (type == Res_value::TYPE_STRING) {
-                    auto minSdk8 = xml.getStrings().string8ObjectAt(idx);
-                    if (!minSdk8.has_value()) {
-                        fprintf(stderr, "warning: failed to retrieve android:minSdkVersion.\n");
+                    String8 minSdk8(xml.getStrings().string8ObjectAt(idx));
+                    char* endPtr;
+                    int minSdk = strtol(minSdk8.string(), &endPtr, 10);
+                    if (endPtr != minSdk8.string() + minSdk8.size()) {
+                        fprintf(stderr, "warning: failed to parse android:minSdkVersion '%s'\n",
+                                minSdk8.string());
                     } else {
-                        char *endPtr;
-                        int minSdk = strtol(minSdk8->string(), &endPtr, 10);
-                        if (endPtr != minSdk8->string() + minSdk8->size()) {
-                            fprintf(stderr, "warning: failed to parse android:minSdkVersion '%s'\n",
-                                    minSdk8->string());
-                        } else {
-                            outInfo.minSdkVersion = minSdk;
-                        }
+                        outInfo.minSdkVersion = minSdk;
                     }
                 } else {
                     fprintf(stderr, "warning: unrecognized value for android:minSdkVersion.\n");