androidfw: Use the last package to create idmap.

Overlaid packages contain one or two package groups, the first one is
system package(android), and the second one is application package. So
it should use the last package group to create idmap.

When inspecting the idmap, similar as above.

Change-Id: I97e0179bc5b5acdcacbe6ec5b5b7c22af51d1d0b

1 files changed, 2 insertions, 1 deletions

diff --git a/cmds/idmap/inspect.cpp b/cmds/idmap/inspect.cpp
index f6afc85..63756a5 100644
--- a/cmds/idmap/inspect.cpp
+++ b/cmds/idmap/inspect.cpp
@@ -223,7 +223,8 @@ namespace {
     }
 
     status_t parse_data(IdmapBuffer& buf, const AssetManager& am) {
-        const uint32_t packageId = am.getResources().getBasePackageId(0);
+        const ResTable& rt = am.getResources();
+        const uint32_t packageId = rt.getBasePackageId(rt.getBasePackageCount() - 1);
 
         uint16_t data16;
         status_t err = buf.nextUint16(&data16);