Revert "Enable String compression."

The internal API String.setCharAt() is broken
with string compression.

Bug: 31040547

This reverts commit 60d049e21528268e2dcfe36cf6902b1a07a60b93.

Change-Id: I20c05ce4e9af8fa311326f71a2a44d981d60e0ee
diff --git a/ojluni/src/main/java/java/lang/String.java b/ojluni/src/main/java/java/lang/String.java
index 115890e..2d985ca 100644
--- a/ojluni/src/main/java/java/lang/String.java
+++ b/ojluni/src/main/java/java/lang/String.java
@@ -536,7 +536,7 @@
      *          object.
      */
     public int length() {
-        final boolean STRING_COMPRESSION_ENABLED = true;
+        final boolean STRING_COMPRESSION_ENABLED = false;
         if (STRING_COMPRESSION_ENABLED) {
             // For the compression purposes (save the characters as 8-bit if all characters
             // are ASCII), the least significant bit of "count" is used as the compression flag.