Revert "Move android-changes-for-ndk-developers.md into docs/."

This reverts commit 1975196c871f20928c20b4ab23e4f3ee6b33390a.

Reason for revert: https://android.googlesource.com/ doesn't follow symlinks :-(

Change-Id: I58038a03388ab5257d301debb494ce354013acfe
diff --git a/android-changes-for-ndk-developers.md b/android-changes-for-ndk-developers.md
deleted file mode 120000
index 328d3eb..0000000
--- a/android-changes-for-ndk-developers.md
+++ /dev/null
@@ -1 +0,0 @@
-docs/android-changes-for-ndk-developers.md
\ No newline at end of file
diff --git a/docs/android-changes-for-ndk-developers.md b/android-changes-for-ndk-developers.md
similarity index 100%
rename from docs/android-changes-for-ndk-developers.md
rename to android-changes-for-ndk-developers.md