vndk-abi: Use .dump for unmodified abi-compliance-tool

Test: Run ./vndk_abi_tool.py and the output file extensions should change.
Change-Id: I2c8b84b60f2744b80078f16c8970642e59ec5e89
diff --git a/vndk/tools/abi-tool/vndk_abi_tool.py b/vndk/tools/abi-tool/vndk_abi_tool.py
index 002be11..41a8aac 100755
--- a/vndk/tools/abi-tool/vndk_abi_tool.py
+++ b/vndk/tools/abi-tool/vndk_abi_tool.py
@@ -57,7 +57,7 @@
 AOSP_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, *['..'] * 4))
 ABI_DUMPER = os.path.join(AOSP_DIR, 'external', 'abi-dumper', 'abi-dumper.pl')
 VTABLE_DUMPER = 'vndk-vtable-dumper'
-BINARY_ABI_DUMP_EXT = '.bdump'
+BINARY_ABI_DUMP_EXT = '.dump'
 STRIP_DEUBG_INFO = os.path.join(SCRIPT_DIR, 'strip_debug_info.pl')