Revert "linker: add more directories to default lib paths"

This reverts commit 1daa18e73714150e26c4380840c793e406c11095.

To be replaced with customized linker-namespaces for different kind of binaries.

Bug: http://b/34407260
Change-Id: Ib4e480669bbdf44ee4f59bf05f07d3e082c348c9
Test: m
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 7740aa9..a3d1db2 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -78,39 +78,19 @@
 static LinkerTypeAllocator<LinkedListEntry<android_namespace_t>> g_namespace_list_allocator;
 
 #if defined(__LP64__)
-static const char* const kSystemLibDir           = "/system/lib64";
-static const char* const kSystemNdkLibDir       = "/system/lib64/ndk";
-static const char* const kSystemVndkLibDir       = "/system/lib64/vndk";
-static const char* const kSystemVndkExtLibDir    = "/system/lib64/vndk-ext";
-static const char* const kVendorSpHalLibDir      = "/vendor/lib64/sameprocess";
-static const char* const kVendorLibDir           = "/vendor/lib64";
-static const char* const kAsanSystemLibDir       = "/data/lib64";
-static const char* const kAsanSystemNdkLibDir       = "/data/lib64/ndk";
-static const char* const kAsanSystemVndkLibDir       = "/data/lib64/vndk";
-static const char* const kAsanSystemVndkExtLibDir    = "/data/lib64/vndk-ext";
-static const char* const kAsanVendorSpHalLibDir      = "/data/vendor/lib64/sameprocess";
-static const char* const kAsanVendorLibDir       = "/data/vendor/lib64";
+static const char* const kSystemLibDir     = "/system/lib64";
+static const char* const kVendorLibDir     = "/vendor/lib64";
+static const char* const kAsanSystemLibDir = "/data/lib64";
+static const char* const kAsanVendorLibDir = "/data/vendor/lib64";
 #else
-static const char* const kSystemLibDir           = "/system/lib";
-static const char* const kSystemNdkLibDir       = "/system/lib/ndk";
-static const char* const kSystemVndkLibDir       = "/system/lib/vndk";
-static const char* const kSystemVndkExtLibDir    = "/system/lib/vndk-ext";
-static const char* const kVendorSpHalLibDir      = "/vendor/lib/sameprocess";
-static const char* const kVendorLibDir           = "/vendor/lib";
-static const char* const kAsanSystemLibDir       = "/data/lib";
-static const char* const kAsanSystemNdkLibDir       = "/data/lib/ndk";
-static const char* const kAsanSystemVndkLibDir       = "/data/lib/vndk";
-static const char* const kAsanSystemVndkExtLibDir    = "/data/lib/vndk-ext";
-static const char* const kAsanVendorSpHalLibDir      = "/data/vendor/lib/sameprocess";
-static const char* const kAsanVendorLibDir       = "/data/vendor/lib";
+static const char* const kSystemLibDir     = "/system/lib";
+static const char* const kVendorLibDir     = "/vendor/lib";
+static const char* const kAsanSystemLibDir = "/data/lib";
+static const char* const kAsanVendorLibDir = "/data/vendor/lib";
 #endif
 
 static const char* const kDefaultLdPaths[] = {
   kSystemLibDir,
-  kSystemNdkLibDir,
-  kSystemVndkExtLibDir,
-  kSystemVndkLibDir,
-  kVendorSpHalLibDir,
   kVendorLibDir,
   nullptr
 };
@@ -118,14 +98,6 @@
 static const char* const kAsanDefaultLdPaths[] = {
   kAsanSystemLibDir,
   kSystemLibDir,
-  kAsanSystemNdkLibDir,
-  kSystemNdkLibDir,
-  kAsanSystemVndkExtLibDir,
-  kSystemVndkExtLibDir,
-  kAsanSystemVndkLibDir,
-  kSystemVndkLibDir,
-  kAsanVendorSpHalLibDir,
-  kVendorSpHalLibDir,
   kAsanVendorLibDir,
   kVendorLibDir,
   nullptr