Update ICU to ICU 70-1 with tests

Size Impact:
Android   +143K
Cast      -143K
ChromeOS  -154.7K
Common    -159K
flutter   -123.1K
iOS       -157.6K
Diary https://docs.google.com/document/d/1NqMw7DAVFCZRx67auC7sgOvrikHvCYuaB87JUf21yG8

Bug: 1260116
Change-Id: I90102bf8c5a9d54a59658b2d2f7fb25b405917ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/3268349
Reviewed-by: Jungshik Shin <jshin@chromium.org>
diff --git a/source/common/usprep.cpp b/source/common/usprep.cpp
index 874ffc6..41a1f56 100644
--- a/source/common/usprep.cpp
+++ b/source/common/usprep.cpp
@@ -282,8 +282,8 @@
         udata_close(dataMemory);
         return FALSE;
     }
-    if( normUniVer < sprepUniVer && /* the Unicode version of SPREP file must be less than the Unicode Vesion of the normalization data */
-        normUniVer < normCorrVer && /* the Unicode version of the NormalizationCorrections.txt file should be less than the Unicode Vesion of the normalization data */
+    if( normUniVer < sprepUniVer && /* the Unicode version of SPREP file must be less than the Unicode Version of the normalization data */
+        normUniVer < normCorrVer && /* the Unicode version of the NormalizationCorrections.txt file should be less than the Unicode Version of the normalization data */
         ((profile->indexes[_SPREP_OPTIONS] & _SPREP_NORMALIZATION_ON) > 0) /* normalization turned on*/
       ){
         *errorCode = U_INVALID_FORMAT_ERROR;