Add back for 64-bit: arc4random, arc4random_buf and arc4random_uniform

BUG=17885433

Change-Id: I4fee6657dee2212243cbf1af603f99b9e47ddeb4
diff --git a/9/platforms/android-19/arch-arm64/usr/lib/libc.so b/9/platforms/android-19/arch-arm64/usr/lib/libc.so
index 6272b44..3cb252c 100755
--- a/9/platforms/android-19/arch-arm64/usr/lib/libc.so
+++ b/9/platforms/android-19/arch-arm64/usr/lib/libc.so
Binary files differ
diff --git a/9/platforms/android-19/arch-mips64/usr/lib64/libc.so b/9/platforms/android-19/arch-mips64/usr/lib64/libc.so
index ede30da..3c68584 100755
--- a/9/platforms/android-19/arch-mips64/usr/lib64/libc.so
+++ b/9/platforms/android-19/arch-mips64/usr/lib64/libc.so
Binary files differ
diff --git a/9/platforms/android-19/arch-x86_64/usr/lib64/libc.so b/9/platforms/android-19/arch-x86_64/usr/lib64/libc.so
index e5fdaea..eef0657 100755
--- a/9/platforms/android-19/arch-x86_64/usr/lib64/libc.so
+++ b/9/platforms/android-19/arch-x86_64/usr/lib64/libc.so
Binary files differ