Merge "Fix the UB in assignment + noexcepts" into main am: a6418dc3c5

Original change: https://android-review.googlesource.com/c/platform/libnativehelper/+/3427926

Change-Id: Ic1cd2f56b9c3c70bd2fa02c38f38753e86c25994
Signed-off-by: Automerger Merge Worker <[email protected]>