libprocpartition: support product/system_ext

Relevant in AIDL world.

Bug: 385355208
Test: atest vts_treble_vintf_vendor_test
Change-Id: Icc970949e4590aa1ec0c24339f998eaa644f2b10

Author: Steven Moreland

cmds/lshal/libprocpartition/include/procpartition/procpartition.h

@@ -27,6 +27,8 @@ namespace procpartition {
 enum class Partition {
     UNKNOWN = 0,
     SYSTEM,
+    SYSTEM_EXT,
+    PRODUCT,
     VENDOR,
     ODM
 };

cmds/lshal/libprocpartition/procpartition.cpp

@@ -24,6 +24,8 @@ namespace procpartition {
 std::ostream& operator<<(std::ostream& os, Partition p) {
     switch (p) {
         case Partition::SYSTEM: return os << "system";
+        case Partition::SYSTEM_EXT: return os << "system_ext";
+        case Partition::PRODUCT: return os << "product";
         case Partition::VENDOR: return os << "vendor";
         case Partition::ODM: return os << "odm";
         case Partition::UNKNOWN: // fallthrough
@@ -57,6 +59,12 @@ Partition parsePartition(const std::string& s) {
     if (s == "system") {
         return Partition::SYSTEM;
     }
+    if (s == "system_ext") {
+        return Partition::SYSTEM_EXT;
+    }
+    if (s == "product") {
+        return Partition::PRODUCT;
+    }
     if (s == "vendor") {
         return Partition::VENDOR;
     }