Merge "Add an __ANDROID_RAMDISK__ preprocessor define." am: 7309742728 am: 6a3b60969e am: 13f34bef8d am: a480cc78ef

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1989090

Change-Id: If7bc2437ff79ab12289a0b4466cf2a9194f265f4