Use __BIONIC__ instead of ANDROID to check for bionic am: f52fb58e67 am: b2ec686cf2 am: b1dcab2a1a am: 43777fe765

Original change: https://android-review.googlesource.com/c/platform/external/libdrm/+/1969739

Change-Id: I2ef965d71e64de59e353d6aa05e4deb5fed045fb