BpfMap.getOrCreate(size, path, type) -> BpfMap.init(path)

We don't have the appropriate selinux privs to create the maps anyway.

Test: builds (when combined with system/netd change)
      'git grep getOrCreate' in system/{bpf,netd} comes up empty
      atest netd_unit_test netd_integration_test libbpf_android_test
Bug: 65674744
Bug: 129654883
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Idffbce5b28b723943c6495cfafdecddc7a0f4e67
diff --git a/libbpf_android/BpfMapTest.cpp b/libbpf_android/BpfMapTest.cpp
index 74fc2b8..cfa9d88 100644
--- a/libbpf_android/BpfMapTest.cpp
+++ b/libbpf_android/BpfMapTest.cpp
@@ -174,7 +174,7 @@
     EXPECT_EQ(0, access(PINNED_MAP_PATH, R_OK));
     checkMapValid(testMap1);
     BpfMap<uint32_t, uint32_t> testMap2;
-    EXPECT_OK(testMap2.getOrCreate(TEST_MAP_SIZE, PINNED_MAP_PATH, BPF_MAP_TYPE_HASH));
+    EXPECT_OK(testMap2.init(PINNED_MAP_PATH));
     checkMapValid(testMap2);
     uint32_t key = TEST_KEY1;
     uint32_t value = TEST_VALUE1;