am 55947a23: Merge "Update prebuilt tools for ICU 50.1."

* commit '55947a234322322ef431462492ef2c267d150d73':
  Update prebuilt tools for ICU 50.1.
diff --git a/linux-x86_64/icu-49/gencnval b/linux-x86_64/icu-49/gencnval
deleted file mode 100755
index 256bdae..0000000
--- a/linux-x86_64/icu-49/gencnval
+++ /dev/null
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diff --git a/linux-x86_64/icu-49/genrb b/linux-x86_64/icu-49/genrb
deleted file mode 100755
index abe5958..0000000
--- a/linux-x86_64/icu-49/genrb
+++ /dev/null
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diff --git a/linux-x86_64/icu-49/icupkg b/linux-x86_64/icu-49/icupkg
deleted file mode 100755
index 9be9504..0000000
--- a/linux-x86_64/icu-49/icupkg
+++ /dev/null
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diff --git a/linux-x86_64/icu-49/makeconv b/linux-x86_64/icu-49/makeconv
deleted file mode 100755
index 1e834ed..0000000
--- a/linux-x86_64/icu-49/makeconv
+++ /dev/null
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diff --git a/linux-x86_64/icu-50/gencnval b/linux-x86_64/icu-50/gencnval
new file mode 100755
index 0000000..f029a11
--- /dev/null
+++ b/linux-x86_64/icu-50/gencnval
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diff --git a/linux-x86_64/icu-50/genrb b/linux-x86_64/icu-50/genrb
new file mode 100755
index 0000000..2cf456e
--- /dev/null
+++ b/linux-x86_64/icu-50/genrb
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diff --git a/linux-x86_64/icu-50/icupkg b/linux-x86_64/icu-50/icupkg
new file mode 100755
index 0000000..43cb8bf
--- /dev/null
+++ b/linux-x86_64/icu-50/icupkg
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diff --git a/linux-x86_64/icu-50/makeconv b/linux-x86_64/icu-50/makeconv
new file mode 100755
index 0000000..e7bfecc
--- /dev/null
+++ b/linux-x86_64/icu-50/makeconv
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diff --git a/linux-x86_64/icu-49/readme.txt b/linux-x86_64/icu-50/readme.txt
similarity index 87%
rename from linux-x86_64/icu-49/readme.txt
rename to linux-x86_64/icu-50/readme.txt
index 000b99b..389c89d 100644
--- a/linux-x86_64/icu-49/readme.txt
+++ b/linux-x86_64/icu-50/readme.txt
@@ -3,9 +3,9 @@
 the Android build process. The tools can be
 re-created using the following steps:
 
-(1) Copy the whole "/extlibs/icu-49"
+(1) Copy the whole "/extlibs/icu-50"
     directory somewhere else. Please
-    do not use a vanilla ICU 49 for
+    do not use a vanilla ICU 50 for
     this, since the Android version
     includes some patches for tweaking
     file sizes.