update example to 0.71.1

Example/testHotUpdate/android/app/build_defs.bzl

@@ -1,19 +0,0 @@
-"""Helper definitions to glob .aar and .jar targets"""
-
-def create_aar_targets(aarfiles):
-    for aarfile in aarfiles:
-        name = "aars__" + aarfile[aarfile.rindex("/") + 1:aarfile.rindex(".aar")]
-        lib_deps.append(":" + name)
-        android_prebuilt_aar(
-            name = name,
-            aar = aarfile,
-        )
-
-def create_jar_targets(jarfiles):
-    for jarfile in jarfiles:
-        name = "jars__" + jarfile[jarfile.rindex("/") + 1:jarfile.rindex(".jar")]
-        lib_deps.append(":" + name)
-        prebuilt_jar(
-            name = name,
-            binary_jar = jarfile,
-        )