We will need to send formatted strings to the ProtoLog api, so it is simpler to use CompoundString as the default string storage in ActiveGestureLog.
Refactored CompoundString to be able to be broken down into a formattable string.
Flag: N/A
Fixes: 313640579
Test: ran launcher, completed gestures, dumped gesture logs
Change-Id: I5f290d1860c6bac5047cbf361537829fbe986685
The flag is only set when building from Android Studio... and is never
used for dogfood.
Test: local
Change-Id: I898d585f4558c2437f0152ef102bea59c351f80b
Schneider Victor-tulias
Zak Cohen
Sunny Goyal
Hyunyoung Song