Store and load icudtl.dat directly from the apk rather than extracting on start-up

build/java_apk.gypi

Index: build/java_apk.gypi
diff --git a/build/java_apk.gypi b/build/java_apk.gypi
index 05431564017147fdb31b9fe704f3810526c821f5..f5ba138943a9e841b5534174608452a0caf6b817 100644
--- a/build/java_apk.gypi
+++ b/build/java_apk.gypi
@@ -89,7 +89,8 @@
     'additional_res_packages': [],
     'additional_bundled_libs%': [],
     'is_test_apk%': 0,
-    'extensions_to_not_compress%': '',
+    # Allow icu data to be loaded directly from the .apk.
+    'extensions_to_not_compress%': 'dat',
     'resource_input_paths': [],
     'intermediate_dir': '<(PRODUCT_DIR)/<(_target_name)',
     'asset_location%': '<(intermediate_dir)/assets',