Added enum values to capabilityFlags and flagsFull

Bug: 438511041
Test: manual (adb shell dumpsys activity --proto > activity.bin; m
graph_ams; graph_ams activity.bin --format json > activity.json; look
for a value inside a parentheses in the capabilityFlags and flagsFull properties)
Flag: EXEMPTED tool update

Change-Id: Iad58fae07c4fbff6b17a733c4560570eaa7279dd