Merge "Allow ramdisk targets to set cflags/exclude_srcs." into main am:...

Merge "Allow ramdisk targets to set cflags/exclude_srcs." into main am: 6ff7d9e5 am: f2aebd57 am: 0fc8e44b am: 8a8d00b1 am: ff3e6ac3

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2679377



Change-Id: I76e7c9ce22cb5cde2005fb05c03fcf3696d16050
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>