setFrameRate: Make shouldBeSeamless an enum

Change the shouldBeSeamless parameter to an enum
in order to make the API easier to understand.
This changes
 - SurfaceControl.setFrameRate
 - Surface.setFrameRate
 - ANativeWindow_setFrameRateWithChangeStrategy
 - ASurfaceTransaction_setFrameRateWithChangeStrategy

Bug: 179116474
Test: atest SetFrameRateTest
Change-Id: I28a8863ea77101f90b878fbda5f00d98e075b7cc
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 18a0cbd..3c10858 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1511,7 +1511,7 @@
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFrameRate(
         const sp<SurfaceControl>& sc, float frameRate, int8_t compatibility,
-        bool shouldBeSeamless) {
+        int8_t changeFrameRateStrategy) {
     layer_state_t* s = getLayerState(sc);
     if (!s) {
         mStatus = BAD_INDEX;
@@ -1519,7 +1519,8 @@
     }
     // Allow privileged values as well here, those will be ignored by SF if
     // the caller is not privileged
-    if (!ValidateFrameRate(frameRate, compatibility, "Transaction::setFrameRate",
+    if (!ValidateFrameRate(frameRate, compatibility, changeFrameRateStrategy,
+                           "Transaction::setFrameRate",
                            /*privileged=*/true)) {
         mStatus = BAD_VALUE;
         return *this;
@@ -1527,7 +1528,7 @@
     s->what |= layer_state_t::eFrameRateChanged;
     s->frameRate = frameRate;
     s->frameRateCompatibility = compatibility;
-    s->shouldBeSeamless = shouldBeSeamless;
+    s->changeFrameRateStrategy = changeFrameRateStrategy;
     return *this;
 }